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