2850 search results - page 167 / 570 » Answering Queries using Humans, Algorithms and Databases |
139
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VLDB
1992
ACM
15 years 7 months ago
1992
ACM
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
129
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DAGSTUHL
2007
15 years 4 months ago
2007
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...
141
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ADC
2003
Springer
15 years 8 months ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
130
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SIGIR
2005
ACM
15 years 9 months ago
2005
ACM
Accurately and effectively detecting the locations where search queries are truly about has huge potential impact on increasing search relevance. In this paper, we define a search...
187
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
In contrast to classical databases and IR systems, real-world information systems have to deal increasingly with very vague and diverse structures for information management and s...