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DBPL
2001
Springer
167views Database» more  DBPL 2001»
13 years 9 months ago
A Temporal Query Language for OLAP: Implementation and a Case Study
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
Alejandro A. Vaisman, Alberto O. Mendelzon
DOLAP
2009
ACM
13 years 11 months ago
LMDQL: link-based and multidimensional query language
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
Paulo Caetano da Silva, Fábio Santos Souza,...
LPAR
2000
Springer
13 years 8 months ago
Encoding Temporal Logics in Executable Z: A Case Study for the ZETA System
Abstract. The ZETA system is a Z-based tool environment for developing formal specifications. It contains a component for executing the Z language based on the implementation techn...
Wolfgang Grieskamp, Markus Lepper
SAC
2008
ACM
13 years 4 months ago
Aggregation languages for moving object and places of interest
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
Leticia I. Gómez, Bart Kuijpers, Alejandro ...
CLIN
2004
13 years 6 months ago
Trailfinder - A Case Study in Extracting Spatial Information Using Deep Language Processing
The present paper reports on an end-to-end application using a deep processing grammar to extract spatial and temporal information of prepositional and adverbial expressions from ...
Lars Hellan, Dorothee Beermann, Jon Atle Gulla, At...