示例#1
0
        /// <summary>
        /// Generates a correctness score based on a set of keywords.
        /// </summary>
        /// <param name="scoredStatements"></param>
        /// <param name="keywords"></param>
        /// <returns></returns>
        public static double ScoreFromKeywords(this string answer, IEnumerable <string> keywords)
        {
            var answerKeywords = WebSearchHelper.SplitSenteceToKeywords(answer);

            double amountCorrect = 0;

            foreach (string keyword in keywords)
            {
                if (answerKeywords.Contains(keyword))
                {
                    amountCorrect++;
                }
            }

            return(amountCorrect / keywords.Count());
        }
示例#2
0
        /// <summary>
        /// Invokes the vectorization/ web search with a question.
        /// </summary>
        /// <param name="question">Question being asked</param>
        /// <returns>Vectorized answers</returns>
        public Dictionary <string, double> Invoke(string question)
        {
            string domainRootUrl        = SearchDomain.GenerateRootUrl(question);
            var    searchDomainDocument = new DocumentNodeSelector(domainRootUrl);

            var documentLinks = searchDomainDocument
                                .FindAllLinks()
                                .Select(link => SearchDomain.ParseSearchUrl(link))
                                .Where(link => link != null)
                                .Distinct()
                                .ToList();

            documentLinks  // resize the links
            .RemoveRange(SearchSettings.MaxLinks, documentLinks.Count - SearchSettings.MaxLinks);

            var originalKeywords = WebSearchHelper.SplitSenteceToKeywords(question);

            var paragraphs     = _generateParagraphsFromLinks(documentLinks);
            var scoredKeywords = _createScoredKeywords(paragraphs, originalKeywords);

            return(_createScoredStatements(paragraphs, scoredKeywords));
        }