static void Main(string[] args)
{
DateTime now = DateTime.Now;
StreamWriter sw = new StreamWriter(now.Year.ToString() + now.Month.ToString() + now.Day.ToString() + now.Hour.ToString() + now.Minute.ToString() + now.Second.ToString() + ".log");
while (true)
{
#region define logging actions
Action<string> LogDevNull = new Action<string>((msg) => { });
Action<string> LogError = new Action<string>((msg) =>
{
Console.WriteLine(DateTime.Now + " " + msg);
});
Action<string> LogMessage = new Action<string>((msg) =>
{
sw.WriteLine(DateTime.Now + " " + msg);
sw.Flush();
Console.WriteLine(DateTime.Now + " " + msg);
});
#endregion
#region check file existence and load ontology
Ontology thisOntology = null;
try
{
string ontologyFilename = "dbpedia_3.6.owl";
de.sones.solutions.lib.xml.XmlElement rootElement = XmlParser.loadXml(new StreamReader(ontologyFilename), LogError);
if (rootElement == null)
{
LogError("Null or empty XmlStructure in file: '" + ontologyFilename + "'");
break;
}
thisOntology = OwlParser.CreateOntologyFromXml(rootElement, LogDevNull);
#region add Thing manually!
OClass thing = new OClass("http://www.w3.org/2002/07/owl#Thing");
OProperty oPropertyName = new OProperty();
oPropertyName.ID = "Name";
oPropertyName.Range = "http://www.w3.org/2001/XMLSchema#string";
thing.AddDatatype(oPropertyName);
OProperty oPropertyLongAbstract = new OProperty();
oPropertyLongAbstract.ID = "LongAbstract";
oPropertyLongAbstract.Range = "http://www.w3.org/2001/XMLSchema#string";
thing.AddDatatype(oPropertyLongAbstract);
OProperty oPropertyShortAbstract = new OProperty();
oPropertyShortAbstract.ID = "ShortAbstract";
oPropertyShortAbstract.Range = "http://www.w3.org/2001/XMLSchema#string";
thing.AddDatatype(oPropertyShortAbstract);
thisOntology.AddOntologyClass(thing);
#endregion
}
catch (Exception a)
{
LogError("Error parsing ontology!");
LogError(a.Message);
LogError(a.StackTrace);
break;
}
#endregion
#region ask for langs to import --> de, en
List<String> lLangs = new List<string>();
Console.WriteLine("Which language data should be added to the database?");
Console.WriteLine("Enter language id and press <Enter>");
Console.WriteLine("An empty line quits the iteration process.");
String currentLine = null;
bool bFirst = true;
while ((currentLine = Console.ReadLine().Trim()) != "")
{
lLangs.Add(currentLine);
bFirst = true;
Console.Write("CurrentlySelected: ");
foreach (String lang in lLangs)
{
if (bFirst)
bFirst = false;
else Console.Write(", ");
Console.Write(lang);
}
Console.WriteLine();
}
#endregion
#region load dictExistingNodes
Dictionary<string, List<string>> dictExistingNodes = new Dictionary<string, List<string>>();
try
{
StreamReader sr = new StreamReader("ExistingNodes.dict");
String line = null;
String[] strToken = null;
char[] cToken = { ';' };
List<string> lData = null;
while ((line = sr.ReadLine()) != null)
{
strToken = line.Split(cToken, StringSplitOptions.RemoveEmptyEntries);
if (strToken.Length != 4)
{
LogError("ERROR: load dictExistingNodes: reading line: " + line);
continue;
}
else
{
lData = new List<string>();
lData.Add(strToken[1]);
lData.Add(strToken[2]);
lData.Add(strToken[3]);
dictExistingNodes.Add(strToken[0], lData);
}
}
}
catch (Exception a)
{
LogError("Error load dictExistingNodes");
LogError(a.Message);
LogError(a.StackTrace);
break;
}
LogMessage("dictExistingNodes.Count=" + dictExistingNodes.Count);
#endregion
#region write data to XmlBulkImport format
try
{
#region local vars
String[] token;
String Key, Type, Subject, Filename;
List<string> Value = null;
// long VertexID;
char[] sepChars = { '=' };
ODataItem dataItem = null;
Dictionary<string, List<string>> dictNodeAttributes;
uint fileCounter = 0;
uint lineCount = 0;
#endregion
#region begin writing xml structure (header)
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
XmlWriter writer = XmlWriter.Create(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + Properties.Settings.Default.XmlFile, settings);
writer.WriteStartDocument(); // <?xml version="1.0" encoding="UTF-8"?> ???
// <BulkImport xmlns="http://schema.sones.com/graphds/xmlbulkimport.xsd">
writer.WriteStartElement("BulkImport", "http://schema.sones.com/graphds/xmlbulkimport.xsd");
writer.WriteStartElement("Import"); // <Import>
#endregion
#region process all data files
LogMessage("begin 'process all data files'");
foreach (string dirname in Directory.EnumerateDirectories(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + Properties.Settings.Default.DataDir))
{
foreach (string filename in Directory.EnumerateFiles(dirname))
{
Subject = filename.Substring(filename.LastIndexOf(Path.DirectorySeparatorChar) + 1, (filename.Length - filename.LastIndexOf(Path.DirectorySeparatorChar) - 1));
#region transfer all atributes from filestream to dictionary (for better handling)
dictNodeAttributes = new Dictionary<string, List<string>>();
foreach (string line in File.ReadAllLines(filename))
{
token = line.Split(sepChars);
if (token.Length < 2)
{
LogError("Invalid line content: " + line);
continue;
}
Key = token[0];
Value = new List<string>();
for (int i = 1; i < token.Length; i++)
{
Value.Add(token[i]);
}
if (RemoveEvilCharactersForFile(Key).Equals(Subject))
Key = RemoveEvilCharactersForFile(Key);
if (!dictNodeAttributes.ContainsKey(Key))
dictNodeAttributes.Add(Key, Value);
else
{
foreach (String value in Value)
{
dictNodeAttributes[Key].Add(value);
}
}
}
#endregion
#region check data validity before starting evaluation
dataItem = null;
if (!dictNodeAttributes.ContainsKey(Subject) || dictNodeAttributes[Subject] == null)
{
LogError("Data file contains no Type of the Instance!" + filename); // Subject);
continue;
}
#endregion
#region process data
else
{
#region write <Insert VertexType="..." VertexId="...">
// <Insert VertexType="User" VertexID="-9223372036854775808">
Type = dictNodeAttributes[Subject][0];
writer.WriteStartElement("Insert");
writer.WriteAttributeString("VertexType", GqlStringExtension.RemoveEvilCharacters(Type));
writer.WriteAttributeString("VertexID", dictNodeAttributes["VertexID"][0]); // VertexID.ToString());
#endregion
#region write all other attributes
foreach (String key in dictNodeAttributes.Keys)
{
if (!key.Equals(Subject) && !key.Equals("VertexID"))
{
#region get attribute's data-type information from Ontology
OClass oClass = thisOntology.GetOClass(Type);
string searchkey = key;
if (key.LastIndexOf('_') > 0)
{
searchkey = key.Substring(0, key.LastIndexOf('_'));
}
OProperty oProp = oClass.GetProperty(searchkey);
#endregion
#region <SetValue ..> for all attributes
if (oProp == null || oProp.Range == null || !oProp.Range.StartsWith("http://dbpedia.org/ontology/")) // undefined attribute
{
// <SetValue Key="Name" Value="SGFydHdpZw=="/>
#region write undefined attribute
if (oProp == null || oProp.Range == null)
{
StringBuilder sbValue = new StringBuilder();
foreach (String value in dictNodeAttributes[key])
{
sbValue.Append(value);
}
writer.WriteStartElement("SetValue");
writer.WriteAttributeString("AttributeName", GqlStringExtension.RemoveEvilCharacters(key));
writer.WriteAttributeString("Value", Convert.ToBase64String(Encoding.Default.GetBytes(sbValue.ToString())));
writer.WriteEndElement(); // </SetValue>
}
#endregion
#region write ontology attribute (includes attribute data-type handling)
else
{
String value = null;
try
{
switch (oProp.Range)
{
#region W3.org number data types
case "http://www.w3.org/2001/XMLSchema#integer":
case "http://www.w3.org/2001/XMLSchema#nonNegativeInteger":
case "http://www.w3.org/2001/XMLSchema#positiveInteger":
case "http://www.w3.org/2001/XMLSchema#gYear":
{
value = Convert.ToBase64String(Encoding.Default.GetBytes(Convert.ToInt64(dictNodeAttributes[key][0]).ToString(new CultureInfo("en-US"))));//.ToString()).ToString()));
break;
}
case "http://www.w3.org/2001/XMLSchema#double":
case "http://www.w3.org/2001/XMLSchema#float":
{
value = Convert.ToBase64String(Encoding.Default.GetBytes(Convert.ToDouble(dictNodeAttributes[key][0]).ToString(new CultureInfo("en-US"))));
break;
}
case "http://www.w3.org/2001/XMLSchema#boolean":
{
if (dictNodeAttributes[key][0].ToString().Equals("True") || dictNodeAttributes[key][0].ToString().Equals("1"))
value = Convert.ToBase64String(Encoding.Default.GetBytes("True"));
else
value = Convert.ToBase64String(Encoding.Default.GetBytes("False"));
break;
}
#endregion
#region dbpedia
case "http://dbpedia.org/datatype/squareKilometre":
case "http://dbpedia.org/datatype/squareMetre":
case "http://dbpedia.org/datatype/kilometrePerSecond":
case "http://dbpedia.org/datatype/kilometrePerHour":
case "http://dbpedia.org/datatype/kilogramPerCubicMetre":
case "http://dbpedia.org/datatype/gramPerKilometre":
case "http://dbpedia.org/datatype/day":
case "http://dbpedia.org/datatype/hour":
case "http://dbpedia.org/datatype/minute":
case "http://dbpedia.org/datatype/second":
case "http://dbpedia.org/datatype/cubicMetre":
case "http://dbpedia.org/datatype/cubicKilometre":
case "http://dbpedia.org/datatype/cubicCentimetre":
case "http://dbpedia.org/datatype/kilometre":
case "http://dbpedia.org/datatype/metre":
case "http://dbpedia.org/datatype/centimetre":
case "http://dbpedia.org/datatype/millimetre":
case "http://dbpedia.org/datatype/inhabitantsPerSquareKilometre":
case "http://dbpedia.org/datatype/kelvin":
case "http://dbpedia.org/datatype/cubicMetrePerSecond":
case "http://dbpedia.org/datatype/kilogram":
case "http://dbpedia.org/datatype/megabyte":
case "http://dbpedia.org/datatype/litre":
case "http://dbpedia.org/datatype/engineConfiguration":
case "http://dbpedia.org/datatype/kilowatt":
case "http://dbpedia.org/datatype/newtonMetre":
#endregion
#region currencies
case "http://dbpedia.org/datatype/usDollar":
case "http://dbpedia.org/datatype/euro":
case "http://dbpedia.org/datatype/bermudianDollar":
case "http://dbpedia.org/datatype/nicaraguanCórdoba":
case "http://dbpedia.org/datatype/poundSterling":
case "http://dbpedia.org/datatype/japaneseYen":
case "http://dbpedia.org/datatype/swedishKrona":
case "http://dbpedia.org/datatype/canadianDollar":
case "http://dbpedia.org/datatype/liberianDollar":
case "http://dbpedia.org/datatype/norwegianKrone":
case "http://dbpedia.org/datatype/namibianDollar":
case "http://dbpedia.org/datatype/ukrainianHryvnia":
case "http://dbpedia.org/datatype/czechKoruna":
case "http://dbpedia.org/datatype/swissFranc":
case "http://dbpedia.org/datatype/malaysianRinggit":
case "http://dbpedia.org/datatype/newZealandDollar":
case "http://dbpedia.org/datatype/danishKrone":
case "http://dbpedia.org/datatype/philippinePeso":
case "http://dbpedia.org/datatype/southKoreanWon":
case "http://dbpedia.org/datatype/hongKongDollar":
case "http://dbpedia.org/datatype/australianDollar":
case "http://dbpedia.org/datatype/indianRupee":
case "http://dbpedia.org/datatype/russianRouble":
case "http://dbpedia.org/datatype/singaporeDollar":
case "http://dbpedia.org/datatype/icelandKrona":
case "http://dbpedia.org/datatype/bosniaAndHerzegovinaConvertibleMarks":
case "http://dbpedia.org/datatype/polishZłoty":
case "http://dbpedia.org/datatype/latvianLats":
case "http://dbpedia.org/datatype/croatianKuna":
case "http://dbpedia.org/datatype/iranianRial":
case "http://dbpedia.org/datatype/egyptianPound":
case "http://dbpedia.org/datatype/lithuanianLitas":
case "http://dbpedia.org/datatype/pakistaniRupee":
case "http://dbpedia.org/datatype/bhutaneseNgultrum":
case "http://dbpedia.org/datatype/romanianNewLeu":
case "http://dbpedia.org/datatype/bangladeshiTaka":
case "http://dbpedia.org/datatype/nigerianNaira":
case "http://dbpedia.org/datatype/saudiRiyal":
case "http://dbpedia.org/datatype/brazilianReal":
case "http://dbpedia.org/datatype/turkishLira":
case "http://dbpedia.org/datatype/kazakhstaniTenge":
case "http://dbpedia.org/datatype/unitedArabEmiratesDirham":
case "http://dbpedia.org/datatype/mexicanPeso":
case "http://dbpedia.org/datatype/newTaiwanDollar":
case "http://dbpedia.org/datatype/hungarianForint":
case "http://dbpedia.org/datatype/falklandIslandsPound":
case "http://dbpedia.org/datatype/belizeDollar":
case "http://dbpedia.org/datatype/chileanPeso":
case "http://dbpedia.org/datatype/renminbi":
case "http://dbpedia.org/datatype/thaiBaht":
case "http://dbpedia.org/datatype/papuaNewGuineanKina":
case "http://dbpedia.org/datatype/kuwaitiDinar":
case "http://dbpedia.org/datatype/israeliNewSheqel":
case "http://dbpedia.org/datatype/sriLankanRupee":
case "http://dbpedia.org/datatype/peruvianNuevoSol":
case "http://dbpedia.org/datatype/estonianKroon":
case "http://dbpedia.org/datatype/southAfricanRand":
case "http://dbpedia.org/datatype/argentinePeso":
case "http://dbpedia.org/datatype/jamaicanDollar":
case "http://dbpedia.org/datatype/qatariRial":
#endregion
{
value = Convert.ToBase64String(Encoding.Default.GetBytes(Convert.ToDouble(dictNodeAttributes[key][0]).ToString(new CultureInfo("en-US"))));
break;
}
#region date
case "http://www.w3.org/2001/XMLSchema#date":
{
value = Convert.ToBase64String(Encoding.Default.GetBytes(Convert.ToDateTime(dictNodeAttributes[key][0]).ToString(new CultureInfo("en-US"))));
break;
}
case "http://www.w3.org/2001/XMLSchema#string":
case "http://www.w3.org/2001/XMLSchema#anyURI":
#endregion
#region workaround simple types
case "http://dbpedia.org/datatype/valvetrain":
case "http://dbpedia.org/datatype/fuelType":
#endregion
{
StringBuilder sbValue = new StringBuilder();
foreach (String strValue in dictNodeAttributes[key])
{
sbValue.Append(strValue);
}
value = Convert.ToBase64String(Encoding.Default.GetBytes(sbValue.ToString()));
break;
}
default:
{
break;
}
}
}
catch (Exception a)
{
StringBuilder sbValue = new StringBuilder();
foreach (String strValue in dictNodeAttributes[key])
{
sbValue.Append(strValue);
}
LogError("Invalid data content!: " + sbValue);
value = null;
}
if (value != null)
{
writer.WriteStartElement("SetValue");
writer.WriteAttributeString("AttributeName", GqlStringExtension.RemoveEvilCharacters(key));
writer.WriteAttributeString("Value", value);
writer.WriteEndElement(); // </SetValue>
}
}
#endregion
}
#endregion
#region <MultiLink ..> for all attributes that represent edges
else
{
writer.WriteStartElement("MultiLink"); // <MultiLink Key="Friends">
writer.WriteAttributeString("AttributeName", GqlStringExtension.RemoveEvilCharacters(key));
foreach (String value in dictNodeAttributes[key])
{
if (dictExistingNodes.ContainsKey(value))
{
writer.WriteStartElement("Link");
// <Link VertexType="User" VertexID="-9223372036854775806"/>
// writer.WriteAttributeString("VertexType", GqlStringExtension.RemoveEvilCharacters(oProp.Range));
writer.WriteAttributeString("VertexType", GqlStringExtension.RemoveEvilCharacters(dictExistingNodes[value][2]));
writer.WriteAttributeString("VertexID", dictExistingNodes[value][1]);
writer.WriteEndElement();
}
}
writer.WriteEndElement(); // </MultiLink>
}
#endregion
}
}
writer.WriteEndElement(); // </Insert>
#endregion
} // end else ( corr. if:(!dictNodeAttributes.ContainsKey(Subject) || dictNodeAttributes[Subject].Count < 1))
#endregion
#region some debug/processing info
fileCounter++;
if (fileCounter % 10000 == 0)
{
LogMessage("processed " + fileCounter + " items.");
}
#endregion
} // string filename in Directory.EnumerateFiles(dirname)
} // foreach (string dirname in Directory.EnumerateDirectories(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + Properties.Settings.Default.DataDir))
LogMessage("end 'process all data files'");
#endregion
#region evaluate labels
LogMessage("begin 'evaluate labels'");
Dictionary<string, long> dictLabelIds = new Dictionary<string, long>();
Dictionary<string, Dictionary<string, List<long>>> dictInstanceLabels = new Dictionary<string, Dictionary<string, List<long>>>();
long currentLabelVertexID = long.MinValue;
foreach (String lang in lLangs)
{
if (Directory.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang))
{
Filename = "labels_" + lang + ".nt";
if (!File.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang + Path.DirectorySeparatorChar + Filename))
{
continue;
}
uint insertedLabels = 0;
LogMessage("begin read labels from " + Filename);
using (StreamReader srNodes = new StreamReader(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang + Path.DirectorySeparatorChar + Filename))
{
#region if input stream is empty --> do error handling
if (srNodes == null)
{
LogError("Error reading Nodes file: '" + Filename + "'");
return;
}
#endregion
#region init local vars
String strCurrentTriple;
Triple currentTriple;
#endregion
#region for each triple (line)
while ((strCurrentTriple = srNodes.ReadLine()) != null)
{
currentTriple = NTripleParser.Split(strCurrentTriple, LogError);
#region some debug info
if (lineCount % 1000 == 0)
{
Console.Write(".");
}
if (lineCount % 100000 == 0)
{
LogMessage("EvaluateLabels('" + lang + "'): lineCount=" + lineCount);
GC.Collect();
GC.Collect();
GC.WaitForFullGCComplete();
}
lineCount++;
#endregion
if (currentTriple == null || currentTriple.TripleObject == null)
continue;
if (!dictExistingNodes.ContainsKey(currentTriple.Subject))
{
continue;
}
if (!dictLabelIds.ContainsKey(currentTriple.TripleObject))
{
dictLabelIds.Add(currentTriple.TripleObject, currentLabelVertexID);
currentLabelVertexID++;
// <Insert VertexType="Label" VertexID="-9223372036854775808">
writer.WriteStartElement("Insert");
writer.WriteAttributeString("VertexType", "Label");
writer.WriteAttributeString("VertexID", dictLabelIds[currentTriple.TripleObject].ToString()); // VertexID.ToString());
// <SetValue AttributeName="Name" Value="SGFydHdpZw=="/>
writer.WriteStartElement("SetValue");
writer.WriteAttributeString("AttributeName", "Name");
writer.WriteAttributeString("Value", Convert.ToBase64String(Encoding.Default.GetBytes(currentTriple.TripleObject)));
writer.WriteEndElement(); // </SetValue>
writer.WriteEndElement(); // </Insert>
insertedLabels++;
}
if (!dictInstanceLabels.ContainsKey(currentTriple.Subject))
{
dictInstanceLabels.Add(currentTriple.Subject, new Dictionary<string, List<long>>());
}
if (!dictInstanceLabels[currentTriple.Subject].ContainsKey(lang))
{
dictInstanceLabels[currentTriple.Subject].Add(lang, new List<long>());
}
dictInstanceLabels[currentTriple.Subject][lang].Add(currentLabelVertexID - 1);
} // while ((strCurrentTriple = srNodes.ReadLine()) != null)
#endregion
} // using (StreamReader srNodes = new StreamReader(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang + Path.DirectorySeparatorChar + Filename))
LogMessage("end read labels from " + Filename + " inserted " + insertedLabels + "entries");
} // if (Directory.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang))
} // foreach (String lang in lLangs)
LogMessage("end 'evaluate labels'");
#endregion
#region create all instance entries in dictionary
LogMessage("begin 'create all instance entries in dictionary'");
Dictionary<string, List<KeyValuePair<long, string>>> dictInstances = new Dictionary<string, List<KeyValuePair<long, string>>>();
Dictionary<string, long> dictInstanceVertexIDs = new Dictionary<string, long>();
long lInstanceVertexID_count = long.MinValue;
foreach (String instance in dictExistingNodes.Keys)
{
List<KeyValuePair<long, string>> lNodeIds = new List<KeyValuePair<long, string>>();
lNodeIds.Add(new KeyValuePair<long, string>(Int64.Parse(dictExistingNodes[instance][1]), dictExistingNodes[instance][2]));
dictInstances.Add(instance, lNodeIds);
dictInstanceVertexIDs.Add(instance, lInstanceVertexID_count);
lInstanceVertexID_count++;
}
LogMessage("end 'create all instance entries in dictionary'");
#endregion
#region evaluate disambiguations
LogMessage("begin evaluate disambiguations");
foreach (String lang in lLangs)
{
if (Directory.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang))
{
Filename = "disambiguations_" + lang + ".nt";
if (!File.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang + Path.DirectorySeparatorChar + Filename))
{
continue;
}
using (StreamReader srNodes = new StreamReader(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang + Path.DirectorySeparatorChar + Filename))
{
#region if input stream is empty --> do error handling
if (srNodes == null)
{
LogError("Error reading Nodes file: '" + Filename + "'");
return;
}
#endregion
#region init local vars
String strCurrentTriple;
Triple currentTriple;
#endregion
#region for each triple (line), add or append dictInstances dictionary
while ((strCurrentTriple = srNodes.ReadLine()) != null)
{
currentTriple = NTripleParser.Split(strCurrentTriple, LogError);
if (dictExistingNodes.ContainsKey(currentTriple.Subject))
{
Console.WriteLine("should not happen currentTriple.Subject='" + currentTriple.Subject + "'");
continue;
}
if (!dictExistingNodes.ContainsKey(currentTriple.TripleObject))
{
continue;
}
if (!dictInstanceVertexIDs.ContainsKey(currentTriple.Subject))
{
dictInstanceVertexIDs.Add(currentTriple.Subject, lInstanceVertexID_count);
lInstanceVertexID_count++;
}
if (!dictInstances.ContainsKey(currentTriple.Subject))
{
dictInstances.Add(currentTriple.Subject, new List<KeyValuePair<long, string>>());
}
// string vertexType = "httpwwww3org200207owlThing";
if (dictExistingNodes.ContainsKey(currentTriple.TripleObject))
{
// vertexType = dictExistingNodes[currentTriple.TripleObject][2];
dictInstances[currentTriple.Subject].Add(new KeyValuePair<long, string>(Int64.Parse(dictExistingNodes[currentTriple.TripleObject][1]), dictExistingNodes[currentTriple.TripleObject][2]));
}
// dictInstances[currentTriple.Subject].Add(new KeyValuePair<long, string>(dictInstanceVertexIDs[currentTriple.TripleObject], vertexType));
} // while ((strCurrentTriple = srNodes.ReadLine()) != null)
#endregion
} // using (StreamReader srNodes = new StreamReader(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang + Path.DirectorySeparatorChar + Filename))
} // if (Directory.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang))
} // foreach (String lang in lLangs)
LogMessage("end evaluate disambiguations");
#endregion
#region create Instance xml bulk import format
LogMessage("begin create Instance xml bulk import format");
foreach (string currentInstance in dictInstances.Keys)
{
if (dictInstances[currentInstance].Count < 1)
{
continue;
}
writer.WriteStartElement("Insert");
writer.WriteAttributeString("VertexType", "Instance");
writer.WriteAttributeString("VertexID", dictInstanceVertexIDs[currentInstance].ToString());
#region add instance name
// <SetValue AttributeName="Name" Value="SGFydHdpZw=="/>
writer.WriteStartElement("SetValue");
writer.WriteAttributeString("AttributeName", "Name");
writer.WriteAttributeString("Value", Convert.ToBase64String(Encoding.Default.GetBytes(currentInstance)));
writer.WriteEndElement(); // </SetValue>
#endregion
#region add labels (for all langs)
if (dictInstanceLabels.ContainsKey(currentInstance))
{
Dictionary<string, List<long>> dictLangLabels = dictInstanceLabels[currentInstance];
if (dictLangLabels.Keys.Count == 0)
LogMessage("'dictLangLabels.Keys.Count == 0' for '" + currentInstance + "'");
foreach (string currentLang in dictLangLabels.Keys)
{
List<long> lLabels = dictLangLabels[currentLang];
if (lLabels.Count == 0)
LogMessage("'lLabels.Count == 0' for currentLang='" + currentLang + "' and currentInstance='" + currentInstance + "'");
else
{
writer.WriteStartElement("MultiLink"); // <MultiLink Key="Label_de">
writer.WriteAttributeString("AttributeName", "Labels_" + currentLang);
foreach (long currentLabelId in lLabels)
{
writer.WriteStartElement("Link");
// <Link VertexType="User" VertexID="-9223372036854775806"/>
// writer.WriteAttributeString("VertexType", GqlStringExtension.RemoveEvilCharacters(oProp.Range));
writer.WriteAttributeString("VertexType", "Label");
writer.WriteAttributeString("VertexID", currentLabelId.ToString());
writer.WriteEndElement();
}
writer.WriteEndElement(); // </MultiLink>
}
}
}
else LogMessage("!dictInstanceLabels.ContainsKey('" + currentInstance + "')");
#endregion
#region add disambiguation
if (dictInstances[currentInstance].Count > 0)
{
writer.WriteStartElement("MultiLink"); // <MultiLink Key="Label_de">
writer.WriteAttributeString("AttributeName", "RefersToEntry");
foreach (KeyValuePair<long, string> currentThingId in dictInstances[currentInstance])
{
writer.WriteStartElement("Link");
// <Link VertexType="User" VertexID="-9223372036854775806"/>
// writer.WriteAttributeString("VertexType", GqlStringExtension.RemoveEvilCharacters(oProp.Range));
writer.WriteAttributeString("VertexType", GqlStringExtension.RemoveEvilCharacters(currentThingId.Value));
writer.WriteAttributeString("VertexID", currentThingId.Key.ToString());
writer.WriteEndElement();
}
writer.WriteEndElement(); // </MultiLink>
} // if (dictInstances[currentInstance].Count > 0)
#endregion
writer.WriteEndElement(); // </Insert>
} // foreach (string currentInstance in dictInstances.Keys)
LogMessage("end create Instance xml bulk import format");
#endregion
#region finish writing xml-structure
writer.WriteEndElement(); // </Import>
writer.WriteEndElement(); // </BulkImport>
writer.Flush();
writer.Close();
#endregion
}
catch (Exception a)
{
LogError("Error reading data files.");
LogError(a.Message);
LogError(a.StackTrace);
}
#endregion
break; // default behaviour
} // while (true)
sw.Close();
Console.WriteLine("Press <Enter> to quit.");
Console.ReadLine();
}
static void Main(string[] args)
{
while (true)
{
#region create Logging Actions
Action<string> LogMessage = new Action<string>((msg) =>
{
Console.WriteLine(DateTime.Now + " " + msg);
});
Action<string> LogError = new Action<string>((msg) =>
{
Console.WriteLine(DateTime.Now + " " + msg);
});
Action<string> LogNull = new Action<string>((msg) => { });
#endregion
#region check file existence and load ontology
Ontology thisOntology = null;
try
{
string ontologyFilename = "dbpedia_3.6.owl";
XmlElement rootElement = XmlParser.loadXml(new StreamReader(ontologyFilename), LogNull);
if (rootElement == null)
{
LogError("Null or empty XmlStructure in file: '" + ontologyFilename + "'");
break;
}
thisOntology = OwlParser.CreateOntologyFromXml(rootElement, LogNull);
#region add Thing manually!
OClass thing = new OClass("http://www.w3.org/2002/07/owl#Thing");
OProperty oPropertyName = new OProperty();
oPropertyName.ID = "Name";
oPropertyName.Range = "http://www.w3.org/2001/XMLSchema#string";
thing.AddDatatype(oPropertyName);
thisOntology.AddOntologyClass(thing);
#endregion
}
catch (Exception a)
{
LogError("Error parsing ontology!");
LogError(a.Message);
LogError(a.StackTrace);
break;
}
#endregion
#region ask for langs to import --> de, en
List<String> lLangs = new List<string>();
Console.WriteLine("Which language data should be added to the database?");
Console.WriteLine("Enter language id and press <Enter>");
Console.WriteLine("An empty line quits the iteration process.");
String currentLine = null;
bool bFirst = true;
while ((currentLine = Console.ReadLine().Trim()) != "")
{
lLangs.Add(currentLine);
bFirst = true;
Console.Write("CurrentlySelected: ");
foreach (String lang in lLangs)
{
if (bFirst)
bFirst = false;
else Console.Write(", ");
Console.Write(lang);
}
Console.WriteLine();
}
#endregion
#region verify work environment
if (!Directory.Exists(Properties.Settings.Default.WorkDir))
{
LogError("WorkDir could not be loaded! " + Properties.Settings.Default.WorkDir);
break;
}
if (!Directory.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + Properties.Settings.Default.DataDir))
{
Directory.CreateDirectory(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + Properties.Settings.Default.DataDir);
}
else
{
LogMessage("Data directory is already existing.!");
Console.WriteLine("All data will be deleted (Y), or program aborted.");
ConsoleKeyInfo a = Console.ReadKey();
if (a.KeyChar == 'y' || a.KeyChar == 'Y')
{
Console.WriteLine(" - Deleting existing directory content.");
Directory.Delete(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + Properties.Settings.Default.DataDir, true);
Directory.CreateDirectory(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + Properties.Settings.Default.DataDir);
LogMessage("Finished deleting data directory");
}
else
{
Console.WriteLine("Aborting program execution.");
break;
}
}
#endregion
#region init helper dictionaries
Dictionary<string, List<string>> dictExistingNodes = new Dictionary<string, List<string>>();
Dictionary<string, uint> dictDirectoryEntries = new Dictionary<string, uint>();
Dictionary<string, long> dictVertexIds = new Dictionary<string, long>();
foreach (OClass oclass in thisOntology.GetAllClasses())
{
dictVertexIds.Add(oclass.ID, long.MinValue);
}
#endregion
#region create nodes from instance_types
foreach (String lang in lLangs)
{
String filename = "instance_types_" + lang + ".nt";
if (!File.Exists(Properties.Settings.Default.WorkDir
+ Path.DirectorySeparatorChar
+ lang
+ Path.DirectorySeparatorChar
+ filename))
continue;
CreateNodes(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar
+ lang + Path.DirectorySeparatorChar + filename, thisOntology, dictExistingNodes, dictDirectoryEntries, dictVertexIds, LogMessage, LogError);
}
#endregion
#region parse other NTripleFiles with specific implementation
String filenameSub = null;
foreach (String lang in lLangs)
{
if (Directory.Exists(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang))
foreach (String filename in Directory.EnumerateFiles(Properties.Settings.Default.WorkDir + Path.DirectorySeparatorChar + lang))
{
// foreach filename.endsWith(lang+".nt") geo_coordinates_de.nt
FileInfo fi = new FileInfo(filename);
if (!fi.Extension.Equals(".nt"))
{
continue;
}
filenameSub = fi.Name.Substring(0, (fi.Name.Length - fi.Extension.Length));
if (filenameSub.EndsWith("_" + lang))
{
filenameSub = filenameSub.Substring(0, (filenameSub.Length - lang.Length - 1));
}
switch (filenameSub)
{
case "mappingbased_properties":
case "specific_mappingbased_properties":
{
string tmp_filename = filename;
string tmp_lang = lang;
//actions.Add(() =>
EvaluateMappingbasedProperties(tmp_filename, tmp_lang, dictExistingNodes, dictDirectoryEntries, thisOntology, LogMessage, LogError); //);
// EvaluateMappingbasedProperties(filename, lang, thisOntology);
// call impl.
break;
}
case "short_abstracts":
{
string tmp_filename = filename;
string tmp_lang = lang;
string tmp_KindOfText = "ShortAbstract";
// actions.Add(() =>
EvaluateAttributes(tmp_filename, tmp_KindOfText, tmp_lang, dictExistingNodes, dictDirectoryEntries, LogMessage, LogError); // );
// EvaluateAttributes(filename, "ShortAbstract", lang);
break;
}
case "long_abstracts":
{
string tmp_filename = filename;
string tmp_lang = lang;
string tmp_KindOfText = "LongAbstract";
// actions.Add(() =>
EvaluateAttributes(tmp_filename, tmp_KindOfText, tmp_lang, dictExistingNodes, dictDirectoryEntries, LogMessage, LogError); // );
// EvaluateAttributes(filename, "LongAbstract", lang);
break;
}
// other impl.
default:
{
LogMessage("ignore " + filename);
// do nothing
break;
}
}
}
}
// Parallel.Invoke(actions.ToArray());
#endregion
#region save dictionary dictExistingNodes to file - needed for step 3 for performant evaluation of data within data dir
try
{
StreamWriter tw = new StreamWriter("ExistingNodes.dict");
foreach (string key in dictExistingNodes.Keys)
{
List<string> values = dictExistingNodes[key];
if (values.Count != 3)
{
LogError("Error savind data entry: '" + key + "' in ExistingNodes.dict");
continue;
}
else
{
tw.WriteLine(key + ";" + values[0] + ";" + values[1] + ";" + values[2]);
Console.Write(".");
}
}
tw.Flush();
tw.Close();
}
catch (Exception a)
{
LogError("Error saving dictionary dictExistingNodes to file");
LogError(a.Message);
LogError(a.StackTrace);
}
#endregion
break; // default behaviour
}
Console.WriteLine("Press <Enter> to quit program.");
Console.ReadLine();
}
static void Main(string[] args)
{
while (true)
{
#region extract ontology filename from command line args
String ontologyFilename = null;
String gqlFilename = null;
if (args.Length != 2)
{
Console.WriteLine("Wrong number of arguments!");
Console.WriteLine("Usage: CreateSchemaFromOntology <OntologyFilename> <GqlFilename>");
Console.WriteLine(" e.g. CreateSchemaFromOntology dbpedia_3.6.owl dbpedia.gql");
Console.WriteLine("File to import should reside at the execution directory: " + Environment.CurrentDirectory);
}
else
{
ontologyFilename = args[0];
gqlFilename = args[1];
}
#endregion
#region check file existence and load ontology
Ontology ontology = null;
try
{
XmlElement rootElement = XmlParser.loadXml(new StreamReader(ontologyFilename), Console.WriteLine);
if (rootElement == null)
{
Console.WriteLine("Null or empty XmlStructure in file: '" + ontologyFilename + "'");
break;
}
ontology = OwlParser.CreateOntologyFromXml(rootElement, Console.WriteLine); // .CreateOntologyFromXml(rootElement, Console.WriteLine);
#region add Thing manually! - with 3 attributes (Name, ShortAbstract, LongAbstract)
OClass thing = new OClass("http://www.w3.org/2002/07/owl#Thing");
OProperty oPropertyName = new OProperty();
oPropertyName.ID = "Name";
oPropertyName.Range = "http://www.w3.org/2001/XMLSchema#string";
thing.AddDatatype(oPropertyName);
OProperty oPropertyLongAbstract = new OProperty();
oPropertyLongAbstract.ID = "LongAbstract";
oPropertyLongAbstract.Range = "http://www.w3.org/2001/XMLSchema#string";
thing.AddDatatype(oPropertyLongAbstract);
OProperty oPropertyShortAbstract = new OProperty();
oPropertyShortAbstract.ID = "ShortAbstract";
oPropertyShortAbstract.Range = "http://www.w3.org/2001/XMLSchema#string";
thing.AddDatatype(oPropertyShortAbstract);
ontology.AddOntologyClass(thing);
#endregion
}
catch (Exception a)
{
Console.WriteLine(a.Message);
Console.WriteLine(a.StackTrace);
break;
}
#endregion
#region ask for languages to add
List<String> lLangs = new List<string>();
Console.WriteLine("Which languages should be added to the Ontology?");
Console.WriteLine("Enter language id and press <Enter>");
Console.WriteLine("An empty line quits the iteration process.");
String currentLine = null;
bool bFirst = true;
while ((currentLine = Console.ReadLine().Trim()) != "")
{
lLangs.Add("_" + currentLine);
bFirst = true;
Console.Write("CurrentlySelected: ");
foreach (String lang in lLangs)
{
if (bFirst)
bFirst = false;
else Console.Write(", ");
Console.Write(lang);
}
Console.WriteLine();
}
#endregion
#region create gql file
try
{
StreamWriter swGql = new StreamWriter(gqlFilename);
swGql.WriteLine("CREATE VERTEX TYPE httpwwww3org200301geowgs84_posSpatialThing");
ontology.ClassTree.GetAllOClassesGql(swGql.WriteLine, lLangs.ToArray());
swGql.WriteLine("CREATE VERTEX TYPE Label ATTRIBUTES (String Name)");
foreach (String lang in lLangs)
{
swGql.WriteLine("CREATE INDEX IDX_Thing_Name" + lang + " ON VERTEX TYPE httpwwww3org200207owlThing (Name" + lang + ") INDEXTYPE SingleValuePersistent");
}
// swGql.WriteLine("ALTER VERTEX TYPE httpwwww3org200207owlThing ADD ATTRIBUTES (String ShortAbstract_de, String ShortAbstract_en)");
StringBuilder sbCreateInstance = new StringBuilder();
sbCreateInstance.Append("CREATE VERTEX TYPE Instance ATTRIBUTES (String Name, ");
foreach (String lang in lLangs)
{
sbCreateInstance.Append("SET<Label> Labels");
sbCreateInstance.Append(lang);
sbCreateInstance.Append(", ");
}
sbCreateInstance.Append("SET<httpwwww3org200207owlThing> RefersToEntry)");
swGql.WriteLine(sbCreateInstance.ToString());
swGql.WriteLine("CREATE INDEX IDX_Instance_Name ON VERTEX TYPE Instance (Name) INDEXTYPE SingleValuePersistent");
swGql.Flush();
swGql.Close();
}
catch (Exception a)
{
Console.WriteLine(a.Message);
Console.WriteLine(a.StackTrace);
break;
}
#endregion
break;
}
Console.WriteLine("Press <Enter> to quit program.");
Console.ReadLine();
}
public static Ontology CreateOntologyFromXml(XmlElement eXmlRoot, Action<string> errorAction)
{
Ontology onti = null;
XmlElement eRootElement = null;
#region <rdf:RDF>
try
{
eRootElement = eXmlRoot.getChildElements("rdf:RDF").First(); // <rdf:RDF
onti = new Ontology();
onti.Xmlns = eRootElement.getAttribute("xmlns", onti.Xmlns).strValue; // xmlns = "http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl#"
onti.XmlBase = eRootElement.getAttribute("xml:base", onti.XmlBase).strValue; // xml:base = "http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl"
onti.XmlnsRdf = eRootElement.getAttribute("xmlns:rdf", onti.XmlnsRdf).strValue; // xmlns:rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
onti.XmlnsRdfs = eRootElement.getAttribute("xmlns:rdfs", onti.XmlnsRdfs).strValue; // xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
onti.XmlnsOwl = eRootElement.getAttribute("xmlns:owl", onti.XmlnsOwl).strValue; // xmlns:owl="http://www.w3.org/2002/07/owl#"
}
catch (Exception a) { }
if (eRootElement == null)
{
if (errorAction != null)
errorAction("invalid structure: Missing root:element <rdf:RDF ..>");
return onti;
}
#endregion
#region <owl:ontology>
try
{
XmlElement eOntology = eRootElement.getChildElements("owl:Ontology").First(); // <owl:Ontology
onti.About = eOntology.getAttribute("rdf:about", onti.About).strValue; // rdf:about="">
// not mandatory
try
{ // <rdfs:comment>An university ontology for benchmark tests</rdfs:comment>
onti.Comment = eOntology.getChildElements("rdfs:comment").First().getText(onti.Comment);
}
catch (Exception aa) { }
// not mandatory
try
{ // <rdfs:label>Univ-bench Ontology</rdfs:label>
onti.Label = eOntology.getChildElements("rdfs:label").First().getText(onti.Label);
}
catch (Exception aa) { }
// <owl:versionInfo>univ-bench-ontology-owl, ver April 1, 2004</owl:versionInfo>
onti.VersionInfo = eOntology.getChildElements("owl:versionInfo").First().getText(onti.VersionInfo);
}
catch (Exception a)
{
if (errorAction != null)
errorAction("invalid structure: Missing param in <owl:ontology>." + a.Message + "\r\n" + a.StackTrace);
return onti;
}
#endregion
#region <owl:class>
List<XmlElement> eClasses = eRootElement.getChildElements("owl:Class");
OClass currentClass;
String id;
foreach (XmlElement xmlCurrentClass in eClasses)
{
try
{
currentClass = new OClass();
try
{
currentClass.ID = xmlCurrentClass.getAttribute("rdf:ID", currentClass.ID).strValue; // <owl:Class rdf:ID="AdministrativeStaff">
}
catch (Exception aa) { }
try
{
if (currentClass.ID == null)
{
currentClass.ID = xmlCurrentClass.getAttribute("rdf:about", currentClass.ID /*About*/).strValue; // <owl:Class rdf:about="http://dbpedia.org/ontology/Cycad">
}
}
catch (Exception aa) { }
if (currentClass.ID == null)
{
if (errorAction != null)
errorAction("Error adding <owl:class>: Missing rdf:ID or rdf:about. " + xmlCurrentClass);
continue;
}
try // not mandatory: <rdfs:label>administrative staff worker</rdfs:label>
{
currentClass.Label = xmlCurrentClass.getChildElements("rdfs:label").First().getText(currentClass.Label);
}
catch (Exception aa) { }
try // not mandatory: <rdfs:comment xml:lang="en">a group of sports teams that compete against each other in Cricket</rdfs:comment>
{
XmlElement eClassComment = xmlCurrentClass.getChildElements("rdfs:comment").First();
currentClass.Comment = eClassComment.getText(currentClass.Comment);
currentClass.CommentLang = eClassComment.getAttribute("xml:lang", currentClass.CommentLang).strValue;
}
catch (Exception aa) { }
try // not mandatory : // <rdfs:subClassOf rdf:resource="#Employee" />
{
id = xmlCurrentClass
.getChildElements("rdfs:subClassOf").First()
.getAttribute("rdf:resource", "").strValue;
if (id.StartsWith("#")) // ? todo clarify
id = id.Substring(1);
currentClass.IsSubClassOf = new OClass(id /*, id*/);
}
catch (Exception aa) { }
try
{
XmlElement eIntersection = xmlCurrentClass.getChildElements("owl:intersectionOf").First(); // <owl:intersectionOf rdf:parseType="Collection">
XmlElement eISectClass = eIntersection.getChildElements("owl:Class").First(); // <owl:Class rdf:about="#Person" />
string strIsectAbout = eISectClass.getAttribute("rdf:about", "").strValue;
if (strIsectAbout.StartsWith("#"))
strIsectAbout = strIsectAbout.Substring(1); // todo clarify
currentClass.IsSubClassOf = new OClass(/*null,*/ strIsectAbout);
OProperty odProp = new OProperty();
XmlElement eRestriction = eIntersection.getChildElements("owl:Restriction").First(); // <owl:Restriction>
XmlElement eOnProperty = eRestriction.getChildElements("owl:onProperty").First(); // <owl:onProperty rdf:resource="#headOf" />
odProp.ID = eOnProperty.getAttribute("rdf:resource", "").strValue;
XmlElement eSomeValuesFrom = eRestriction.getChildElements("owl:someValuesFrom").First(); // <owl:someValuesFrom>
XmlElement eValuesClass = eSomeValuesFrom.getChildElements("owl:Class").First(); // <owl:Class rdf:about="#Department" />
odProp.Domain = eValuesClass.getAttribute("rdf:about", "").strValue;
currentClass.AddDatatype(odProp);
}
catch (Exception aa) { }
if (!onti.AddOntologyClass(currentClass))
{
if (errorAction != null)
errorAction("Didn't add <owl:class> " + currentClass + " xml=" + xmlCurrentClass);
continue;
}
// onti.ValidateClasses();
}
catch (Exception a)
{
Console.WriteLine("the following OntologyClass had not been imported due to errors.");
Console.WriteLine(xmlCurrentClass.ToString());
Console.WriteLine(a.Message);
Console.WriteLine(a.StackTrace);
Console.WriteLine();
}
}
#endregion
#region <owl:DatatypeProperty>
List<XmlElement> lDatatypes = eRootElement.getChildElements("owl:DatatypeProperty");
OProperty currentDatatype;
foreach (XmlElement xmlCurrentElement in lDatatypes)
{
try
{
currentDatatype = new OProperty();
try
{
currentDatatype.ID = xmlCurrentElement.getAttribute("rdf:ID", currentDatatype.ID).strValue; // <owl:DatatypeProperty rdf:ID="age">
}
catch (Exception aa) { }
try
{
if (currentDatatype.ID == null)
currentDatatype.ID = xmlCurrentElement.getAttribute("rdf:about", currentDatatype.ID).strValue; // <owl:DatatypeProperty rdf:about="http://dbpedia.org/ontology/dateOfBurial">
}
catch (Exception aa) { }
if (currentDatatype.ID == null)
{
if (errorAction != null)
errorAction("Error adding <owl:DatatypeProperty>: Missing rdf:ID or rdf:about. " + xmlCurrentElement);
continue;
}
try
{
currentDatatype.Domain = xmlCurrentElement
.getChildElements("rdfs:domain").First()
.getAttribute("rdf:resource", currentDatatype.Domain).strValue;
}
catch (Exception a) { }
try // not mandatory: <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#date"></rdfs:range>
{
// if (currentDatatype.Domain == null)
// {
currentDatatype.Range = xmlCurrentElement
.getChildElements("rdfs:range").First()
.getAttribute("rdf:resource", currentDatatype.Domain).strValue;
// }
}
catch (Exception aa) { }
/*
if (currentDatatype.Domain == null)
{
errorAction("Error adding <owl:DatatypeProperty>: Neither Range or Domain is set in xml:" + xmlCurrentElement);
continue;
}*/
try // not mandatory: <rdfs:label>is age</rdfs:label>
{
currentDatatype.Label = xmlCurrentElement.getChildElements("rdfs:label").First().getText(currentDatatype.Label);
}
catch (Exception aa) { }
if (!onti.AddDatatype(currentDatatype))
{
if (errorAction != null)
errorAction("Didn't add <owl:DatatypeProperty> " + currentDatatype);
continue;
}
/*
else
{
Console.WriteLine("added datatype: " + currentDatatype.ToString());
}*/
}
catch (Exception a)
{
Console.WriteLine("the following datatype had not been imported due to errors.");
Console.WriteLine(xmlCurrentElement.ToString());
Console.WriteLine(a.Message);
Console.WriteLine(a.StackTrace);
Console.WriteLine();
}
}
#endregion
#region <owl:ObjectProperty rdf:about="http://dbpedia.org/ontology/similar">
List<XmlElement> lObjectProperties = eRootElement.getChildElements("owl:ObjectProperty");
OProperty currentObjectProperty;
foreach (XmlElement xmlCurrentObjectProperty in lObjectProperties)
{
try
{
currentObjectProperty = new OProperty();
try
{
currentObjectProperty.ID = xmlCurrentObjectProperty.getAttribute("rdf:ID", currentObjectProperty.ID).strValue; // <owl:ObjectProperty rdf:ID="degreeFrom">
}
catch (Exception aa) { }
try
{
if (currentObjectProperty.ID == null)
{
currentObjectProperty.ID = xmlCurrentObjectProperty.getAttribute("rdf:about", currentObjectProperty.ID).strValue; // <owl:ObjectProperty rdf:about="http://dbpedia.org/ontology/similar">
}
}
catch (Exception aa) { }
if (currentObjectProperty.ID == null)
{
if (errorAction != null)
errorAction("Error adding <owl:ObjectProperty>: Missing rdf:ID or rdf:about. " + xmlCurrentObjectProperty);
continue;
}
try
{
currentObjectProperty.Domain = xmlCurrentObjectProperty
.getChildElements("rdfs:domain").First()
.getAttribute("rdf:resource", currentObjectProperty.Domain).strValue;
}
catch (Exception aa)
{
if (errorAction != null)
errorAction("Error adding ObjectProperty: <rdfs:domain> is not set in xml:" + xmlCurrentObjectProperty);
continue;
}
try
{
currentObjectProperty.Range = xmlCurrentObjectProperty
.getChildElements("rdfs:range").First()
.getAttribute("rdf:resource", currentObjectProperty.Range).strValue;
}
catch (Exception aa)
{
if (errorAction != null)
errorAction("Error adding ObjectProperty: <rdfs:range> is not set in xml:" + xmlCurrentObjectProperty);
continue;
}
try // not mandatory: <rdfs:label>is age</rdfs:label>
{
currentObjectProperty.Label = xmlCurrentObjectProperty.getChildElements("rdfs:label").First().getText(currentObjectProperty.Label);
}
catch (Exception aa) { }
try // not mandatory: <owl:inverseOf rdf:resource="#hasAlumnus"/>
{
currentObjectProperty.InverseOf = xmlCurrentObjectProperty.getChildElements("rdfs:label").First().getText(currentObjectProperty.InverseOf);
}
catch (Exception aa) { }
try // not mandatory: <rdfs:subPropertyOf rdf:resource="#memberOf" />
{
currentObjectProperty.SubPropertyOf = xmlCurrentObjectProperty
.getChildElements("rdfs:subPropertyOf").First()
.getAttribute("", currentObjectProperty.SubPropertyOf).strValue;
}
catch (Exception aa) { }
if (!onti.AddObjectProperty(currentObjectProperty))
{
if (errorAction != null)
errorAction("Didn't add <owl:ObjectProperty> " + currentObjectProperty);
}
}
catch (Exception a)
{
Console.WriteLine("the following ObjectProperty had not been imported due to errors.");
Console.WriteLine(xmlCurrentObjectProperty.ToString());
Console.WriteLine(a.Message);
Console.WriteLine(a.StackTrace);
Console.WriteLine();
}
}
#endregion
return onti;
}