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DAWAK
2009
Springer
15 years 6 months ago
What Is Spatio-Temporal Data Warehousing?
Abstract. In the last years, extending OLAP (On-Line Analytical Processing) systems with spatial and temporal features has attracted the attention of of the GIS (Geographic Informa...
Alejandro A. Vaisman, Esteban Zimányi
EDBT
2006
ACM
150views Database» more  EDBT 2006»
15 years 5 months ago
A Framework for Distributed XML Data Management
As data management applications grow more complex, they may need efficient distributed query processing, but also subscription management, data archival etc. To enact such applicat...
Serge Abiteboul, Ioana Manolescu, Emanuel Taropa
EDBT
2002
ACM
129views Database» more  EDBT 2002»
16 years 1 months ago
Schema-Driven Evaluation of Approximate Tree-Pattern Queries
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
Torsten Schlieder
WWW
2008
ACM
16 years 2 months ago
Cm-pmi: improved web-based association measure with contextual label matching
WebPMI is a popular web-based association measure to evaluate the semantic similarity between two queries (i.e. words or entities) by leveraging search results returned by search ...
Xiaojun Wan
EGOV
2009
Springer
15 years 8 months ago
Refinement, Validation and Benchmarking of a Model for E-Government Service Quality
This paper presents the refinement and validation of a model for Quality of e-Government Services (QeGS). We built upon our previous work where a conceptualized model was identifie...
Babis Magoutas, Gregoris Mentzas