public static async Task <AskQuestionResponse> AnswerQuestion(AskQuestionRequest request, ICollector <SessionTableEntity> sessionTable)
{
// Get unique identifier
string id = Guid.NewGuid().ToString();
DateTime timestampUtc = DateTime.UtcNow;
// Run keyphrases extraction
request.Topics = await ServicesUtility.GetTopics(request.Question, request.Topics);
// Run search services
string queryWithTopics = request.Topics?.Count() > 0 ? string.Join(" ", request.Topics).Trim() : request.Question;
// Process results
AskQuestionResponse response = new AskQuestionResponse()
{
Id = id,
Results = new AskQuestionResult[0]
};
double confidenceScoreThreshold = 20;
// Get results from QnA maker
QnAMakerSearchResult qnaResult =
await ServicesUtility.QnAMaker.GenerateAnswerAsync(queryWithTopics, SettingsUtility.QnAMakerWhoTaskKnowledgebaseId);
if (qnaResult.Answers?.Where(a => a.Score >= confidenceScoreThreshold).Count() > 0)
{
response.Results = ServicesUtility.GetAskQuestionResults(qnaResult, confidenceScoreThreshold, true);
}
else
{
// Create Bing Search tasks
BingWebSearchResult bingWebSearchResult =
await ServicesUtility.BingSearch.SearchWebAsync(query : request.Question, count : SettingsUtility.MaxResultsCount);
// Process Bing search results
if (bingWebSearchResult.WebPagesResult?.Values?.Count() > 0)
{
response.Results = ServicesUtility.GetAskQuestionResults(bingWebSearchResult);
}
}
// Write to session table
sessionTable.Add(new SessionTableEntity(id, timestampUtc, "Who", request, response));
// Return response
return(response);
}
/// <summary>
/// Get Ask Question Results from Bing Web Search Result
/// </summary>
public static AskQuestionResult[] GetAskQuestionResults(BingWebSearchResult searchResult)
{
AskQuestionResult[] results = searchResult.WebPagesResult.Values
.Take(SettingsUtility.MaxResultsCount)
.Select(page => new AskQuestionResult()
{
Title = page.Name,
Answer = page.Snippet,
Source = "Bing",
Url = page.Url,
UrlDisplayName = "Learn More...",
ImageUrl = page.Screenshot?.ThumbnailUrl
}).ToArray();
return(results);
}
public static async Task <AskQuestionResponse> AnswerQuestion(AskQuestionRequest request, ICollector <SessionTableEntity> sessionTable)
{
// Get unique identifier
string id = Guid.NewGuid().ToString();
DateTime timestampUtc = DateTime.UtcNow;
// Get key phrases extraction
request.Topics = await ServicesUtility.GetTopics(request.Question, request.Topics);
string queryWithTopics = request.Topics?.Count() > 0 ? string.Join(" ", request.Topics).Trim() : request.Question;
// Create video indexer task
VideoIndexerSearchResult videoIndexerResult = await ServicesUtility.VideoIndexer.SearchAsync(query : queryWithTopics);
// Process results
AskQuestionResponse response = new AskQuestionResponse()
{
Id = id,
Results = new AskQuestionResult[0]
};
if (videoIndexerResult.Results?.Count() > 0)
{
response.Results = ServicesUtility.GetAskQuestionResults(videoIndexerResult);
}
else
{
// Create Bing Search tasks
BingWebSearchResult bingWebSearchResult =
await ServicesUtility.BingSearch.SearchWebAsync(query : request.Question, count : SettingsUtility.MaxResultsCount);
// Process Bing search results
if (bingWebSearchResult.WebPagesResult?.Values?.Count() > 0)
{
response.Results = ServicesUtility.GetAskQuestionResults(bingWebSearchResult);
}
}
// Write to session table
sessionTable.Add(new SessionTableEntity(id, timestampUtc, "LearnMore", request, response));
// Return response
return(response);
}
/// <summary>
/// Search web pages with Bing service
/// </summary>
public async Task <BingWebSearchResult> SearchWebAsync(string query, int count = 10, int offset = 0, string market = "en-us", SafeSearch safeSearch = SafeSearch.Strict)
{
if (string.IsNullOrEmpty(query) == true)
{
return(default(BingWebSearchResult));
}
else if (query.Length > MAX_QUERY_LENGTH)
{
query = query.Substring(0, MAX_QUERY_LENGTH);
}
query = WebUtility.UrlEncode(query);
// Get request uri
string searchUrl = string.Format(this.BaseServiceUrl + "search?q={0}&count={1}&offset={2}&mkt={3}&safesearch={4}", query, count, offset, market, safeSearch);
Uri requestUri = new Uri(searchUrl);
// Get response
BingWebSearchResult result = await HttpClientUtility.GetAsync <BingWebSearchResult>(requestUri, this.RequestHeaders);
return(result);
}
public static async Task <AskQuestionResponse> AnswerQuestion(AskQuestionRequest request, ICollector <SessionTableEntity> sessionTable)
{
// Get unique identifier
string id = Guid.NewGuid().ToString();
DateTime timestampUtc = DateTime.UtcNow;
// Run keyphrases extraction
request.Topics = await ServicesUtility.GetTopics(request.Question, request.Topics);
// Run search services
string queryWithTopics = request.Topics?.Count() > 0 ? string.Join(" ", request.Topics).Trim() : request.Question;
// Create Bing Search task
BingWebSearchResult bingWebSearchResult =
await ServicesUtility.BingSearch.SearchWebAsync(query : request.Question, count : SettingsUtility.MaxResultsCount);
// Process results
AskQuestionResponse response = new AskQuestionResponse()
{
Id = id,
Results = new AskQuestionResult[0]
};
// Process Bing search results
if (bingWebSearchResult.WebPagesResult?.Values?.Count() > 0)
{
response.Results = ServicesUtility.GetAskQuestionResults(bingWebSearchResult);
}
// Upload search document to dashboard
await ServicesUtility.UploadDocumentToSearchService(SettingsUtility.AzureSearchIndexName, new SessionSearchDocument(id, timestampUtc, "AskQuestion", request, response));
// Write to session table
sessionTable.Add(new SessionTableEntity(id, timestampUtc, "Question", request, response));
// Return response
return(response);
}
