486 search results - page 56 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
195
Voted
VLDB
2007
ACM
16 years 1 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
111
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EDBT
2006
ACM
16 years 1 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
107
Voted
PVLDB
2008
15 years 1 months ago
2008
The backend database system is often the performance bottleneck when running web applications. A common approach to scale the database component is query result caching, but it fa...
127
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ER
2008
Springer
15 years 3 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
114
Voted
MM
2005
ACM
15 years 7 months ago
2005
ACM
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...