Friday, March 28, 2014

Week 11 Reading Notes: Multilingual and parallel retrieval

Parallel Information Retrieval
Topic: Ways of making information retrieval systems scale to very large text collections, to resolve limitations of computation power, storage capabilities.
1.      Parallel query processing
a)        search engine’s service rate is increased by having multiple index servers process incoming queries in parallel(Document Partitioning, Term Partitioning, Hybrid Schemes)
b)        redundancy and fault tolerance issues in distributed search engines

2.      MapReduce: parallel execution of off-line tasks

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