public void Setup() {
// if you like to test, the files are available here: https://github.com/moos/WNdb
if (Directory.Exists(@"F:\NLP\WNdb-3.0\dict"))
wordNet = new SharpNL.WordNet.WordNet(new WordNetFileProvider(@"F:\NLP\WNdb-3.0\dict"));
}
/// <summary>
/// Constructor. Creates the shell of a SynSet without any actual information.
/// To gain access to SynSet words, gloss, and related SynSets, call SynSet.Instantiate.
/// </summary>
/// <param name="pos">POS of SynSet</param>
/// <param name="offset">Byte location of SynSet definition within data file</param>
/// <param name="wordnet">WordNet engine used to instantiate this synset.</param>
internal SynSet(WordNetPos pos, int offset, WordNet wordnet)
{
Id = string.Format("{0}:{1}", pos, offset);
Pos = pos;
Offset = offset;
Instantiated = false;
wordNet = wordnet;
}
public void Setup()
{
// if you like to test, the files are available here: https://github.com/moos/WNdb
if (Directory.Exists(@"F:\NLP\WNdb-3.0\dict"))
{
wordNet = new SharpNL.WordNet.WordNet(new WordNetFileProvider(@"F:\NLP\WNdb-3.0\dict"));
}
}
/// <summary>
/// Instantiates the current synset. If idSynset is non-null, related synsets references are set to those from
/// idSynset; otherwise, related synsets are created as shells.
/// </summary>
/// <param name="definition">Definition line of synset from data file</param>
/// <param name="idSynset">Lookup for related synsets. If null, all related synsets will be created as shells.</param>
internal void Instantiate(string definition, Dictionary <string, SynSet> idSynset)
{
// don't re-instantiate
if (Instantiated)
{
throw new Exception("Synset has already been instantiated");
}
/* get lexicographer file name...the enumeration lines up precisely with the wordnet spec (see the lexnames file) except that
* it starts with None, so we need to add 1 to the definition line's value to get the correct file name */
var lexicographerFileNumber = int.Parse(GetField(definition, 1)) + 1;
if (lexicographerFileNumber <= 0)
{
throw new Exception("Invalid lexicographer file name number. Should be >= 1.");
}
LexicographerFileName = (LexicographerFileName)lexicographerFileNumber;
// get number of words in the synset and the start character of the word list
int wordStart;
var numWords = int.Parse(GetField(definition, 3, out wordStart), NumberStyles.HexNumber);
wordStart = definition.IndexOf(' ', wordStart) + 1;
// get words in synset
Words = new List <string>(numWords);
for (var i = 0; i < numWords; ++i)
{
var wordEnd = definition.IndexOf(' ', wordStart + 1) - 1;
var wordLen = wordEnd - wordStart + 1;
var word = definition.Substring(wordStart, wordLen);
if (word.Contains(' '))
{
throw new Exception("Unexpected space in word: " + word);
}
Words.Add(word);
// skip lex_id field
wordStart = definition.IndexOf(' ', wordEnd + 2) + 1;
}
// get gloss
Gloss = definition.Substring(definition.IndexOf('|') + 1).Trim();
if (Gloss.Contains('|'))
{
throw new Exception("Unexpected pipe in gloss");
}
// get number and start of relations
var relationCountField = 3 + (Words.Count * 2) + 1;
int relationFieldStart;
var numRelations = int.Parse(GetField(definition, relationCountField, out relationFieldStart));
relationFieldStart = definition.IndexOf(' ', relationFieldStart) + 1;
// grab each related synset
relationSynSets = new Dictionary <SynSetRelation, List <SynSet> >();
lexicalRelations = new Dictionary <SynSetRelation, Dictionary <SynSet, Dictionary <int, List <int> > > >();
for (var relationNum = 0; relationNum < numRelations; ++relationNum)
{
string relationSymbol = null;
var relatedSynSetOffset = -1;
var relatedSynSetPOS = WordNetPos.None;
var sourceWordIndex = -1;
var targetWordIndex = -1;
// each relation has four columns
for (var relationField = 0; relationField <= 3; ++relationField)
{
var fieldEnd = definition.IndexOf(' ', relationFieldStart + 1) - 1;
var fieldLen = fieldEnd - relationFieldStart + 1;
var fieldValue = definition.Substring(relationFieldStart, fieldLen);
// relation symbol
if (relationField == 0)
{
relationSymbol = fieldValue;
}
// related synset offset
else if (relationField == 1)
{
relatedSynSetOffset = int.Parse(fieldValue);
}
// related synset POS
else if (relationField == 2)
{
relatedSynSetPOS = GetPos(fieldValue);
}
// source/target word for lexical relation
else if (relationField == 3)
{
sourceWordIndex = int.Parse(fieldValue.Substring(0, 2), NumberStyles.HexNumber);
targetWordIndex = int.Parse(fieldValue.Substring(2), NumberStyles.HexNumber);
}
else
{
throw new Exception();
}
relationFieldStart = definition.IndexOf(' ', relationFieldStart + 1) + 1;
}
// get related synset...create shell if we don't have a lookup
var relatedSynSet = idSynset != null
? idSynset[relatedSynSetPOS + ":" + relatedSynSetOffset]
: new SynSet(relatedSynSetPOS, relatedSynSetOffset, wordNet);
// get relation
var relation = WordNet.GetSynSetRelation(Pos, relationSymbol);
// add semantic relation if we have neither a source nor a target word index
if (sourceWordIndex == 0 && targetWordIndex == 0)
{
relationSynSets.EnsureContainsKey(relation, typeof(List <SynSet>));
relationSynSets[relation].Add(relatedSynSet);
}
// add lexical relation
else
{
lexicalRelations.EnsureContainsKey(relation, typeof(Dictionary <SynSet, Dictionary <int, List <int> > >));
lexicalRelations[relation].EnsureContainsKey(relatedSynSet, typeof(Dictionary <int, List <int> >));
lexicalRelations[relation][relatedSynSet].EnsureContainsKey(sourceWordIndex, typeof(List <int>));
if (!lexicalRelations[relation][relatedSynSet][sourceWordIndex].Contains(targetWordIndex))
{
lexicalRelations[relation][relatedSynSet][sourceWordIndex].Add(targetWordIndex);
}
}
}
Instantiated = true;
}
/// <summary>
/// Constructor. Creates the shell of a SynSet without any actual information.
/// To gain access to SynSet words, gloss, and related SynSets, call SynSet.Instantiate.
/// </summary>
/// <param name="pos">POS of SynSet</param>
/// <param name="offset">Byte location of SynSet definition within data file</param>
/// <param name="wordnet">WordNet engine used to instantiate this synset.</param>
internal SynSet(WordNetPos pos, int offset, WordNet wordnet) {
Id = string.Format("{0}:{1}", pos, offset);
Pos = pos;
Offset = offset;
Instantiated = false;
wordNet = wordnet;
}
public void Setup()
{
wordNet = new SharpNL.WordNet.WordNet(new WordNetFileProvider(@"F:\NLP\WNdb-3.0\dict"));
//wordNet = new SharpNL.WordNet.WordNet(new WordNetMemoryProvider(@"F:\NLP\WNdb-3.0\dict"));
}
