2662 search results - page 253 / 533 » Data Compression Support in Databases |
175
Voted
VLDB
2007
ACM
16 years 22 days ago
2007
ACM
A top-k query retrieves the k highest scoring tuples from a data set with respect to a scoring function defined on the attributes of a tuple. The efficient evaluation of top-k q...
273
click to vote
JSW
2008
15 years 6 months ago
2008
In a mobile computing system, users carrying portable devices can access database services from any location without requiring a fixed position in the networking environment. Some ...
164
click to vote
GIS
2008
ACM
15 years 7 months ago
2008
ACM
In a geographical route search, given search terms, the goal is to find an effective route that (1) starts at a given location, (2) ends at a given location, and (3) travels via...
195
click to vote
ICDE
2006
IEEE
16 years 20 days ago
2006
IEEE
Scientific instruments, such as radio telescopes, colliders, sensor networks, and simulators generate very high volumes of data streams that scientists analyze to detect and under...
148
Voted
VLDB
2000
ACM
15 years 10 months ago
2000
ACM
A well-known challenge in data warehousing is the efficient incremental maintenance of warehouse data in the presence of source data updates. In this paper, we identify several cr...