January 2019

Scala Meetup: LuceneRDD for (Geospatial) Search and Entity Linkage

The next Meetup of the Bern Scala User Group will take place on Tuesday, 26 March 2019, 6pm.

In this talk, the design and implementation of LuceneRDD for Apache Spark will be presented. LuceneRDD instantiates an inverted index on each Spark executor and collects / aggregates search results from Spark executors to the Spark driver. The main motivation behind LuceneRDD is to natively extend Spark's capabilities with full-text search, geospatial search and entity linkage without requiring an external dependency of a SolrCloud or Elasticsearch cluster.

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