654 search results - page 129 / 131 » Complexity of Answering Queries Using Materialized Views |
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Scientific data are posing new challenges to data management due to the large volume, complexity and heterogeneity of the data. Meanwhile, scientific collaboration becomes increas...
DEBU
2008
13 years 7 months ago
2008
Data-driven Web services, viewed broadly as interactive systems available on the Web for users and programs, provide the backbone for increasingly complex Web applications. While ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
IPSN
2007
Springer
14 years 1 months ago
2007
Springer
In this paper we propose a lightweight algorithm for constructing multi-resolution data representations for sensor networks. We compute, at each sensor node u, O(log n) aggregates...
AIIDE
2008
13 years 9 months ago
2008
Systems that provide automated game-design support-whether fully automated game generators, or tools to assist human designers--must be able to maintain a representation of a game...