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public buildQueries ( string object1, string object2, int maxDistance, int limit, List |
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| object1 | string | object1 |
| object2 | string | object2 |
| maxDistance | int | MaxiumDistance between the two objects |
| limit | int | Limit of results |
| ignoredObjects | List |
List of strings of names of objects be ignored in the Queries for example : http://dbpedia.org/resource/thing |
| ignoredProperties | List |
List of strings of names of properties to be ignored in the Queries |
| avoidCycles | int | Integer value which indicates whether we want to suppress cycles , 0 = no cycle avoidance , 1 = no intermediate object can be object1 or object2 , 2 = like 1 + an object can not occur more than once in a connection |
| 리턴 | List |
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/// <summary>
/// Builds and returns a set of queries to find relations between two object1 and object2.
/// </summary>
/// <param name="object1">object1</param>
/// <param name="object2">object2</param>
/// <param name="maxDistance">MaxiumDistance between the two objects</param>
/// <param name="limit">Limit of results</param>
/// <param name="ignoredObjects">List of strings of names of objects be ignored in the Queries</param>
/// <param name="ignoredProperties">List of strings of names of properties to be ignored in the Queries</param>
/// <param name="avoidCycles">Integer value which indicates whether we want to suppress cycles , 0 = no cycle avoidance , 1 = no intermediate object can be object1 or object2 , 2 = like 1 + an object can not occur more than once in a connection</param>
/// <returns>false means an error happened, true means it's ok</returns>
public bool generateQueries(string object1, string object2, int maxDistance = 3, int limit = 50, List <string> ignoredObjects = null, List <string> ignoredProperties = null, int avoidCycles = 1)
{
//here we reset everything because this method is only used upon new comparison
//resetting the bool
isEndOfResults = false;
//resetting the list of queries
generatedQueriesList = new List <SPARQLQueryBuilder.InnerQuery>();
//resetting the resultlist
curResultSet2 = new List <string>();
//resetting the uniqueList of JsonObjects
uniqueJsonObjects = new List <string>();
//to make other methods see the two objects
obj1 = object1;
obj2 = object2;
SPARQLQueryBuilder builder = new SPARQLQueryBuilder();
//hardcoded objects to ignore (For testing purposes)
ignoredObjects = new List <string>();
ignoredObjects.Add("http://dbpedia.org/ontology/wikiPageWikiLink");
ignoredObjects.Add("http://dbpedia.org/ontology/wikiPageRedirects");
ignoredObjects.Add("http://www.w3.org/2002/07/owl#Thing");
ignoredObjects.Add("http://www.opengis.net/gml/_Feature");
generatedQueriesList = builder.buildQueries(object1, object2, maxDistance, limit, ignoredObjects, ignoredObjects, avoidCycles);
//generatedQueriesList=builder.buildQueries(object1, object2, maxDistance, limit, ignoredObjects, ignoredProperties, avoidCycles);
//if an error happened
if (generatedQueriesList.Count < 1)
{
return(false);
}
return(true);
}
/// <summary>
/// gets the relations between a list of uris the relations is in form of predicates and objects
/// </summary>
/// <param name="uri"> is the list of URI to fnd relation between</param>
/// <param name="Distance">find the relations that lies at this distance ie : if distance = 3 there are 3 predicates between two URIs</param>
/// <param name="Limit">the limit of relations to find between each two URIs</param>
/// <returns>list of containing lists , each lists contains strings in order to discribe the relation
/// Egypt >> type >> populated place << type<< syria
/// </returns>
public static List <List <string> > getRelations(List <string> uri, int Distance, int Limit = 50)
{
List <string> ignoredPredicates = Regex.Split(File.ReadAllText("ignoredPredicates.txt"), "\r\n|\n").ToList();
List <string> ignoredObjects = Regex.Split(File.ReadAllText("ignoredObjects.txt"), "\r\n|\n").ToList();
//Making combinations of URIs to get relations between
List <KeyValuePair <string, string> > URIPairs = getCombinations(uri);
SPARQLQueryBuilder QueryBuilder = new SPARQLQueryBuilder();
List <SPARQLQueryBuilder.InnerQuery> Queries = new List <SPARQLQueryBuilder.InnerQuery>();
//Building Queries
foreach (KeyValuePair <string, string> pair in URIPairs)
{
List <SPARQLQueryBuilder.InnerQuery> tmpinnerQueries = QueryBuilder.buildQueries(pair.Key, pair.Value, Distance, Limit, ignoredObjects, ignoredPredicates, 1);
Queries.AddRange(tmpinnerQueries);
}
//executing Queries
List <List <string> > URIS = new List <List <string> >();
foreach (SPARQLQueryBuilder.InnerQuery Q in Queries)
{
//SparqlResultSet resultSet = QueryHandler.ExecuteQueryWithString(Q.queryText);
SparqlResultSet resultSet = Request.RequestWithHTTP(Q.queryText);
if (Q.connectState == SPARQLQueryBuilder.connectionType.connectedDirectly || Q.connectState == SPARQLQueryBuilder.connectionType.connectedDirectlyInverted)
{
foreach (SparqlResult result in resultSet)
{
List <string> toAdd = new List <string>();
toAdd.Add(Q.object1);
/// foreach (KeyValuePair<string, INode> row in result.ToList());
for (int i = 1; i <= Distance; i++)
{
if (result.HasValue("pf" + i))
{
toAdd.Add(result.Value("pf" + i).ToString());
}
if (result.HasValue("of" + i))
{
toAdd.Add(result.Value("of" + i).ToString());
}
}
toAdd.Add(Q.object2);
URIS.Add(toAdd);
}
}
else if (Q.connectState == SPARQLQueryBuilder.connectionType.connectedViaMiddle || Q.connectState == SPARQLQueryBuilder.connectionType.connectedViaMiddleInverted)
{
foreach (SparqlResult result in resultSet)
{
List <string> toAdd = new List <string>();
toAdd.Add(Q.object1);
bool lastAdded = false; // false for literal . true for predicate
for (int i = 1; i < Distance; i++)
{
if (result.HasValue("pf" + i) || result.HasValue("of" + i))
{
if (!lastAdded)
{
if (result.HasValue("pf" + i))
{
toAdd.Add(result.Value("pf" + i).ToString());
lastAdded = true;
}
if (result.HasValue("of" + i))
{
toAdd.Add(result.Value("of" + i).ToString());
lastAdded = false;
}
}
else
{
if (result.HasValue("of" + i))
{
toAdd.Add(result.Value("of" + i).ToString());
lastAdded = false;
}
if (result.HasValue("pf" + i))
{
toAdd.Add(result.Value("pf" + i).ToString());
lastAdded = true;
}
}
}
}
toAdd.Add(result.Value("middle").ToString());
lastAdded = false; // false for literal . true for predicate
for (int i = Distance; i >= 1; i--)
{
if (result.HasValue("ps" + i) || result.HasValue("os" + i))
{
if (!lastAdded)
{
if (result.HasValue("ps" + i))
{
toAdd.Add(result.Value("ps" + i).ToString());
lastAdded = true;
}
if (result.HasValue("os" + i))
{
toAdd.Add(result.Value("os" + i).ToString());
lastAdded = false;
}
}
else
{
if (result.HasValue("os" + i))
{
toAdd.Add(result.Value("os" + i).ToString());
lastAdded = false;
}
if (result.HasValue("ps" + i))
{
toAdd.Add(result.Value("ps" + i).ToString());
lastAdded = true;
}
}
}
}
toAdd.Add(Q.object2);
URIS.Add(toAdd);
}
}
}
//relationsComparer c = new relationsComparer();
return(URIS);//.Distinct(c).ToList();
}
/// <summary>
/// Builds and returns a set of queries to find relations between two object1 and object2.
/// </summary>
/// <param name="object1">object1</param>
/// <param name="object2">object2</param>
/// <param name="maxDistance">MaxiumDistance between the two objects</param>
/// <param name="limit">Limit of results</param>
/// <param name="ignoredObjects">List of strings of names of objects be ignored in the Queries</param>
/// <param name="ignoredProperties">List of strings of names of properties to be ignored in the Queries</param>
/// <param name="avoidCycles">Integer value which indicates whether we want to suppress cycles , 0 = no cycle avoidance , 1 = no intermediate object can be object1 or object2 , 2 = like 1 + an object can not occur more than once in a connection</param>
/// <returns>false means an error happened, true means it's ok</returns>
public bool generateQueries(string object1, string object2, int maxDistance=3, int limit=50, List<string> ignoredObjects = null, List<string> ignoredProperties = null, int avoidCycles = 1)
{
//here we reset everything because this method is only used upon new comparison
//resetting the bool
isEndOfResults = false;
//resetting the list of queries
generatedQueriesList = new List<SPARQLQueryBuilder.InnerQuery>();
//resetting the resultlist
curResultSet2 = new List<string>();
//resetting the uniqueList of JsonObjects
uniqueJsonObjects = new List<string>();
//to make other methods see the two objects
obj1 = object1;
obj2 = object2;
SPARQLQueryBuilder builder = new SPARQLQueryBuilder();
//hardcoded objects to ignore (For testing purposes)
ignoredObjects = new List<string>();
ignoredObjects.Add("http://dbpedia.org/ontology/wikiPageWikiLink");
ignoredObjects.Add("http://dbpedia.org/ontology/wikiPageRedirects");
ignoredObjects.Add("http://www.w3.org/2002/07/owl#Thing");
ignoredObjects.Add("http://www.opengis.net/gml/_Feature");
generatedQueriesList = builder.buildQueries(object1, object2, maxDistance, limit, ignoredObjects, ignoredObjects, avoidCycles);
//generatedQueriesList=builder.buildQueries(object1, object2, maxDistance, limit, ignoredObjects, ignoredProperties, avoidCycles);
//if an error happened
if (generatedQueriesList.Count < 1)
return false;
return true;
}