6656 search results - page 1248 / 1332 » Change, Change, Change: Three Approaches |
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
The spatial and temporal databases have been studied widely and intensively over years. In this paper, we study how to answer queries of finding the best departure time that minim...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
There has been much recent interest in on-line data mining. Existing mining algorithms designed for stored data are either not applicable or not effective on data streams, where r...
ICFP
2004
ACM
14 years 9 months ago
2004
ACM
Even in statically typed languages it is useful to have certain invariants checked dynamically. Findler and Felleisen gave an algorithm for dynamically checking expressive higher-...