376 search results - page 62 / 76 » Semantics and Evaluation of Top-k Queries in Probabilistic D... |
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
TKDE
2002
13 years 7 months ago
2002
As technological advances are made in software and hardware, the feasibility of accessing information "any time, anywhere" is becoming a reality. Furthermore, the diversi...
SSDBM
2008
IEEE
14 years 2 months ago
2008
IEEE
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...