Sciweavers

2162 search results - page 246 / 433
» Distributed Computation of Web Queries Using Automata
Sort
View
DOLAP
1999
ACM
15 years 10 months ago
Aggregation Everywhere: Data Reduction and Transformation in the Phoenix Data Warehouse
This paper describes the Phoenix system, which loads a data warehouse and then reports against it. Between the raw atomic data of the source system and the business measures prese...
Steven Tolkin
CONCUR
2007
Springer
16 years 21 days ago
Making Random Choices Invisible to the Scheduler
Abstract. When dealing with process calculi and automata which express both nondeterministic and probabilistic behavior, it is customary to introduce the notion of scheduler to res...
Konstantinos Chatzikokolakis, Catuscia Palamidessi
CLA
2004
15 years 8 months ago
Using Concept Formal Analysis for Cooperative Information Retrieval
cessary to abstract it and eliminate the redundancy data. In this context, a method for data reduction based on the formal concept analysis is proposed in [16,17]. At the same time...
Ibtissem Nafkha, Samir Elloumi, Ali Jaoua
COMPGEOM
2010
ACM
15 years 11 months ago
Orthogonal range reporting: query lower bounds, optimal structures in 3-d, and higher-dimensional improvements
Orthogonal range reporting is the problem of storing a set of n points in d-dimensional space, such that the k points in an axis-orthogonal query box can be reported efficiently. ...
Peyman Afshani, Lars Arge, Kasper Dalgaard Larsen
ECIR
2009
Springer
16 years 3 months ago
Quality-Oriented Search for Depression Portals
The problem of low-quality information on the Web is nowhere more important than in the domain of health, where unsound information and misleading advice can have serious consequen...
Thanh Tin Tang, David Hawking, Ramesh S. Sankarana...