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Thursday, September 14 • 11:40am - 12:20pm
The Apache Solr Semantic Knowledge Graph
What if instead of a query returning documents, you could alternatively return other keywords most related to the query: i.e. given a search for "data science", return me back results like "machine learning", "predictive modeling", "artificial neural networks", etc.? Solr’s Semantic Knowledge Graph does just that. It leverages the inverted index to automatically model the significance of relationships between every term in the inverted index (even across multiple fields) allowing real-time traversal and ranking of any relationship within your documents. Use cases for the Semantic Knowledge Graph include disambiguation of multiple meanings of terms (does "driver" mean truck driver, printer driver, a type of golf club, etc.), searching on vectors of related keywords to form a conceptual search (versus just a text match), powering recommendation algorithms, ranking lists of keywords based upon conceptual cohesion to reduce noise, summarizing documents by extracting their most significant terms, and numerous other applications involving anomaly detection, significance/relationship discovery, and semantic search. In this talk, we'll do a deep dive into the internals of how the Semantic Knowledge Graph works and will walk you through how to get up and running with an example dataset to explore the meaningful relationships hidden within your data.

avatar for Trey Grainger

Trey Grainger

SVP of Engineering, Lucidworks
Trey is the SVP of Engineering at Lucidworks, where he leads their engineering efforts around both Apache Lucene/Solr, as well as Lucidwork’s commercial product offerings. Trey is also the co-author of the book Solr in Action, as well as a published researcher and frequent publ... Read More →

Thursday September 14, 2017 11:40am - 12:20pm
South Seas A