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ICDE
2006
IEEE
146views Database» more  ICDE 2006»
16 years 23 days ago
Supporting Predicate-Window Queries in Data Stream Management Systems
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
Thanaa M. Ghanem
VLDB
1992
ACM
151views Database» more  VLDB 1992»
15 years 10 months ago
A Uniform Approach to Processing Temporal Queries
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
Umeshwar Dayal, Gene T. J. Wuu
W2GIS
2005
Springer
16 years 5 days ago
Geo-Mobile Queries: Sketch-Based Queries in Mobile GIS-Environments
Traditional GIS tools are well suited for desktop workstations, but need to be adapted in order to satisfy the requirements of mobility. We propose a concept for sketch-based spati...
David Caduff, Max J. Egenhofer
SIGMOD
2007
ACM
141views Database» more  SIGMOD 2007»
16 years 6 months ago
Assisted querying using instant-response interfaces
We demonstrate a novel query interface that enables users to construct a rich search query without any prior knowledge of the underlying schema or data. The interface, which is in...
Arnab Nandi, H. V. Jagadish
APLAS
2006
ACM
16 years 21 days ago
A Pushdown Machine for Recursive XML Processing
XML transformations are most naturally defined as recursive functions on trees. Their direct implementation, however, causes inefficient memory usage because the input XML tree is...
Keisuke Nakano, Shin-Cheng Mu