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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