6274 search results - page 220 / 1255 » From query complexity to computational complexity |
168
Voted
SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
139
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SAC
2008
ACM
15 years 4 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
150
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
146
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CHI
1996
ACM
15 years 8 months ago
1996
ACM
In its current implementation, the World-Wide Web lacks much of the explicit structure and strong typing found in many closed hypertext systems. While this property has directly f...
122
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SODA
2004
ACM
15 years 6 months ago
2004
ACM
d Abstract] Robert Krauthgamer James R. Lee We present a simple deterministic data structure for maintaining a set S of points in a general metric space, while supporting proximit...