1588 search results - page 148 / 318 » Consistent query answering in databases |
170
Voted
W2GIS
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. A review is provided of some database and representation issues involved in the implementation of geographic information systems (GIS). The increasing popularity of web-b...
120
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ICDT
2007
ACM
15 years 10 months ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
141
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DAGSTUHL
2007
15 years 6 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...
151
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MDM
2007
Springer
15 years 10 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
223
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...