Exemplo n.º 1
0
        public List<KeyValuePair<string, double>> RankedResults()
        {
            List<Document> documents = new List<Document>();
            HashSet<string> dataSet = new HashSet<string>();
            foreach (var result in results)
            {
                Document d = new Document(result);
                documents.Add(d);
                foreach (var term in d.tokens()){
                    dataSet.Add(term);
                }
            }
            //Build Document Vectors
            Dictionary<string, Vector> documentVectors = new Dictionary<string, Vector>();
            foreach (var document in documents)
            {
                documentVectors.Add(document.ToString(), new Vector(dataSet, document));
            }
            //Build Query Vector
            Query query = new Query(queryString);
            Vector queryVector = new Vector(dataSet, query);

            Dictionary<string, double> relevance = new Dictionary<string, double>();
            foreach (var documentVector in documentVectors)
            {
                relevance.Add(documentVector.Key, Vector.GetSimilarityScore(queryVector, documentVector.Value));
            }
            //Sort result by most relevant
            List<KeyValuePair<string, double>> myList = relevance.ToList();
            return myList;
        }
Exemplo n.º 2
0
 public Vector(HashSet<string> dataSet, Query query)
 {
     this.dataSet = dataSet;
     vectorRep = query.GetVector(dataSet);
 }