Example #1
0
        public DetectionResult Detect(params FilterTypes[] types)
        {
            if (types.Length == 0)
            {
                throw new ArgumentException("Value cannot be an empty collection.", nameof(types));
            }

            log.Debug("Detect");
            anomaly.Clear();
            if (document.Sentences.Length <= 3)
            {
                log.Debug("Detect - text too short");
                return(new DetectionResult(reconstructor.Reconstruct(document.Sentences), anomaly.ToArray()));
            }

            log.Info("Using sentence clustering");
            var sentenceClusters = GetSentencesBlock().ToArray();

            foreach (FilterTypes filterTypes in types)
            {
                DetectionResults result = factory.Create(filterTypes).Filter(new DocumentClusters(sentenceClusters));
                anomaly.AddRange(result.Anomaly);
                sentenceClusters = result.Result;
            }

            return(new DetectionResult(reconstructor.Reconstruct(sentenceClusters.SelectMany(item => item.Sentences).Distinct().ToArray()), anomaly.ToArray()));
        }
Example #2
0
        public void Add(DataType type, params IProcessingTextBlock[] blocks)
        {
            logger.LogDebug("Add: {0}", type);
            IEnumerable <Document> documents = blocks.Select(item => reconstructor.Reconstruct(item.Sentences));

            foreach (var document in documents)
            {
                if (string.IsNullOrEmpty(document.Text))
                {
                    logger.LogWarning("Ignoring empty document");
                    continue;
                }

                if (duplicate.ContainsKey(document.Text))
                {
                    logger.LogWarning("Duplicate document detected - ignoring");
                    continue;
                }

                duplicate[document.Text] = document;
                if (type == DataType.Positive)
                {
                    positive.Add(document);
                }
                else
                {
                    negative.Add(document);
                }
            }
        }