17329 search results - page 3206 / 3466 » Improved non-approximability results |
229
click to vote
SIGMOD
2001
ACM
16 years 6 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 ...
183
click to vote
EDBT
2004
ACM
16 years 6 months ago
2004
ACM
Abstract. The paper discusses the design and prototype implementation of a QoS-aware multimedia database system. Recent research in multimedia databases has devoted little attentio...
175
click to vote
EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
172
click to vote
ICSE
2005
IEEE-ACM
16 years 6 months ago
2005
IEEE-ACM
Predicting software quality as perceived by a customer may allow an organization to adjust deployment to meet the quality expectations of its customers, to allocate the appropriat...
190
click to vote
PERCOM
2008
ACM
16 years 6 months ago
2008
ACM
Existing code update protocols for reprogramming nodes in a sensor network are either unsuitable or inefficient when used in a mobile environment. The prohibitive factor of uncert...