Sciweavers

3891 search results - page 124 / 779
» Query Models
Sort
View
140
Voted
SSDBM
1998
IEEE
113views Database» more  SSDBM 1998»
15 years 6 months ago
From a Procedural to a Visual Query Language for OLAP
We address the issue of designing effective query languages for OLAP databases. The basis of our investigation is MD, a new data model for multidimensional databases that, unlike ...
Luca Cabibbo, Riccardo Torlone
GRID
2007
Springer
15 years 6 months ago
Optimizing multiple queries on scientific datasets with partial replicas
We propose strategies to efficiently execute a query workload, which consists of multiple related queries submitted against a scientific dataset, on a distributed-memory system in...
Li Weng, Ümit V. Çatalyürek, Tahs...
CVDB
2004
ACM
15 years 8 months ago
A Case Study on Array Query Optimisation
The development of applications involving multi-dimensional data sets on top of a RDBMS raises several difficulties that are not directly related to the scientific problem being ...
Roberto Cornacchia, Alex van Ballegooij, Arjen P. ...
ICIC
2007
Springer
15 years 8 months ago
Quantum Integration Error on Some Classes of Multivariate Functions
Abstract. We study the approximation of the integration of multivariate functions classes in the quantum model of computation. We first obtain a lower bound of the n-th minimal qu...
Peixin Ye, Qing He
113
Voted
IRFC
2010
Springer
15 years 12 days ago
An Information Retrieval Model Based on Discrete Fourier Transform
Abstract. Information Retrieval (IR) systems combine a variety of techniques stemming from logical, vector-space and probabilistic models. This variety of combinations has produced...
Alberto Costa, Massimo Melucci