339 search results - page 40 / 68 » Improved Query Performance with Variant Indexes |
123
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IS
2007
15 years 10 days ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...
199
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VLDB
2007
ACM
16 years 19 days ago
2007
ACM
Similarity-based search over time-series databases has been a hot research topic for a long history, which is widely used in many applications, including multimedia retrieval, dat...
115
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SIGMOD
2001
ACM
16 years 17 days ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
126
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CLEF
2007
Springer
15 years 6 months ago
2007
Springer
We describe cross language retrieval experiments using Amharic queries and English language document collection from our participation in the bilingual ad hoc track at the CLEF 20...
113
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CLEF
2006
Springer
15 years 4 months ago
2006
Springer
This paper summarizes the work done at the State University of New York at Buffalo (UB) in the GeoCLEF 2006 track. The approach presented uses pure IR techniques (indexing of sing...