339 search results - page 50 / 68 » Improved Query Performance with Variant Indexes |
XSYM
2009
Springer
15 years 4 months ago
2009
Springer
Physical structures, for example indexes and materialized views, can improve query execution performance by orders of magnitude. Hence, it is important to choose the right configu...
ESWS
2008
Springer
14 years 11 months ago
2008
Springer
The traditional strategy performed by Information Retrieval (IR) systems is ranked keyword search: For a given query, a list of documents, ordered by relevance, is returned. Releva...
190
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Although keyword query enables inexperienced users to easily search XML database with no specific knowledge of complex structured query languages or XML data schemas, the ambigui...
204
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...