protected Dictionary <int, double> getSearchQueryVector()
{
Dictionary <int, double> result = new Dictionary <int, double>();
HashSet <string> uniqueWords = new HashSet <string>();
DeepMorphy.Model.MorphInfo[] searchInfo = Parser.getAllLemms(this.searchQuery);
foreach (var lemmInfo in searchInfo)
{
uniqueWords.Add(lemmInfo.BestTag.Lemma);
}
List <Word> lemmas = DbConn.getInstance().getWordObjectsForLemms(uniqueWords.ToArray <string>());
foreach (var lem in lemmas)
{
result.Add(lem.id, 1.0d);
}
return(result);
}
static bool getWordWeightInDocument(List <Word> docLemms, Word curLemm, int documentId, out double result)
{
try
{
double sqrtSumm = 0.0d;
int amountOfDocuments = DbConn.getInstance().getAmountOfDocuments();
foreach (Word lem in docLemms)
{
sqrtSumm += Math.Pow(calcTDIDF(lem, documentId, amountOfDocuments), 2);
}
sqrtSumm = Math.Sqrt(sqrtSumm);
result = calcTDIDF(curLemm, documentId, amountOfDocuments) / sqrtSumm;
return(true);
}
catch
{
result = -1.0d;
return(false);
}
}
private void search_Click(object sender, EventArgs e)
{
if (!Word.isCollectionUpToDate())
{
this.setStatus("загрузка", Color.Orange);
Word.setWordsCollection(DbConn.getInstance().getAllWords());
}
this.setStatus("выполняется поиск", Color.Orange);
int count = 0;
Search searchQuery = new Search(textBox1.Text);
List <Document> docs = DbConn.getInstance().GetAllFromDoc();
Dictionary <int, double> relevation = new Dictionary <int, double>();
double curRelevation;
foreach (Document doc in docs)
{
curRelevation = searchQuery.scalarProduct(Document.getDocumentVector(doc.documentID));
relevation.Add(doc.documentID, curRelevation);
if (curRelevation != 0)
{
count++;
}
}
dataGridView1.DataSource = dt.ApplySort((r1, r2) =>
{
var val1 = relevation[Int32.Parse(r1["documentid"].ToString())];
var val2 = relevation[Int32.Parse(r2["documentid"].ToString())];
return(val2.CompareTo(val1));
});
setOptionsDataGridView1();
HideIrrelevantRows(count);
dataGridView1.Update();
dataGridView1.Refresh();
this.setStatus("поиск окончен", Color.ForestGreen);
}
private void loadCollection_Click(object sender, EventArgs e)
{
this.setStatus("загрузка", Color.Orange);
Word.setWordsCollection(DbConn.getInstance().getAllWords());
this.setStatus("загружено", Color.ForestGreen);
}