2145 search results - page 356 / 429 » Answering Queries Using Views |
145
click to vote
STOC
2002
ACM
16 years 3 months ago
2002
ACM
We present improved algorithms for maintaining transitive closure and all-pairs shortest paths/distances in a digraph under deletion of edges. For the problem of transitive closur...
142
click to vote
ESWS
2008
Springer
15 years 5 months ago
2008
Springer
In this contribution a system is presented, which provides access to distributed data sources using Semantic Web technology. While it was primarily designed for data sharing and sc...
145
click to vote
SSDBM
2007
IEEE
15 years 9 months ago
2007
IEEE
Bitmap indices have been widely used in several domains such as data warehousing and scientific applications due to their efficiency in answering certain query types over large ...
148
click to vote
OOPSLA
2005
Springer
15 years 8 months ago
2005
Springer
We present a points-to analysis technique suitable for environments with small time and memory budgets, such as just-in-time (JIT) compilers and interactive development environmen...
127
click to vote
CRYPTO
2000
Springer
15 years 7 months ago
2000
Springer
Private information retrieval (PIR) enables a user to retrieve a data item from a database, replicated among one or more servers, while hiding the identity of the retrieved item. ...