8311 search results - page 1406 / 1663 » Phase-Based Information Retrieval |
172
Voted
SIGMOD
2001
ACM
16 years 4 months 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 ...
155
Voted
ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
Many online or local data sources provide powerful querying mechanisms but limited ranking capabilities. For instance, PubMed allows users to submit highly expressive Boolean keywo...
139
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WWW
2010
ACM
15 years 11 months ago
2010
ACM
Named entity recognition studies the problem of locating and classifying parts of free text into a set of predefined categories. Although extensive research has focused on the de...
161
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DASFAA
2008
IEEE
15 years 11 months ago
2008
IEEE
Graph is an important data structure to model complex structural data, such as chemical compounds, proteins, and XML documents. Among many graph data-based applications, sub-graph ...
164
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MM
2006
ACM
15 years 10 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...