710 search results - page 120 / 142 » Efficiency of Nested Relational Document Database Systems |
BTW
2009
Springer
15 years 4 months ago
2009
Springer
: The evaluation of information retrieval systems involves the creation of potential user needs for which systems try to find relevant documents. The difficulty of these topics dif...
FQAS
2009
Springer
15 years 4 months ago
2009
Springer
Some recent works have shown that the “perfect” selection of the best IR system per query could lead to a significant improvement on the retrieval performance. Motivated by thi...
120
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WWW
2008
ACM
16 years 12 days ago
2008
ACM
Web search engines are facing formidable performance challenges due to data sizes and query loads. The major engines have to process tens of thousands of queries per second over t...
ADC
2004
Springer
15 years 5 months ago
2004
Springer
Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information ...
184
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...