Trey Grainger

semantic search apache solr solr semantic knowledge graph careerbuilder lucene lucidworks relevancy natural language processing machine learning recommendation engine knowledge graphs reflected intelligence entity extraction collaborative filtering probabilistic query parsing recommendation system learning to rank apache lucene lucidworks fusion trey grainger search engine big data ontology mining query disambiguation recommendations query intent semantic query parsing concept expansion contextual disambiguation information retrieval data mining knowledge graph finite state transducer text analysis data analytics machine-learned ranking significant terms conceptual search linguistics document summarization statistical phrase identifier search anomaly detection haystack knowledge discovery solr text tagger personalized search intent engine bayes theorem augmented search clustering apache spark relevancy tuning keyword search hadoop faceting bm25 similarity search inverted index multilingual search java atlanta solr meetup pivot facets solr meetup crowd sourced domain-specific nlp personalization spam geo-spatial analytics facets supply and demand cloud pivot faceting hierarchical faceting nested facets visualization labor pressure statistics radius data analysis graph log mining multilingual smart data streaming expressions signals query logs tf-idf intent algorithms relevancy ranking text search graph theory graph database content-based recommender data cleansing search relevance synonym detection misspelling detection statistically interesting phrases query expansion natural language search percentiles pointwise mutual information pmi jargon ieee reflective intelligence fst lemmatization stemming solr in action language detection probabilistic parsing disambiguation ontologies query log mining graph traversal probabilistic graphical model relationship scoring graph analytics recsys text data analysis south bd hub relevance engineering