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» Nested Ordered Sets and their Use for Data Modelling
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URBAN
2008
128views more  URBAN 2008»
15 years 4 months ago
Discerning landslide susceptibility using rough sets
Rough set theory has been primarily known as a mathematical approach for analysis of a vague description of objects. This paper explores the use of rough set theory to manage the ...
Pece V. Gorsevski, Piotr Jankowski
NIPS
2004
15 years 6 months ago
Sparse Coding of Natural Images Using an Overcomplete Set of Limited Capacity Units
It has been suggested that the primary goal of the sensory system is to represent input in such a way as to reduce the high degree of redundancy. Given a noisy neural representati...
Eizaburo Doi, Michael S. Lewicki
SIGMOD
2006
ACM
123views Database» more  SIGMOD 2006»
16 years 4 months ago
Exploiting predicate-window semantics over data streams
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...
Thanaa M. Ghanem, Walid G. Aref, Ahmed K. Elmagarm...
WISE
2002
Springer
15 years 9 months ago
Storing and Maintaining Semistructured Data Efficiently in an Object-Relational Database
We propose to use object-relational database management systems to store and manage semi-structured data. ORA-SS (Object-Relationship-Attribute model for Semi-Structured data) [9]...
Yuanying Mo, Tok Wang Ling
ICDT
2005
ACM
95views Database» more  ICDT 2005»
15 years 10 months ago
Semantics of Data Streams and Operators
What does a data stream mean? Much of the extensive work on query operators and query processing for data streams has proceeded without the benefit of an answer to this question. ...
David Maier, Jin Li, Peter A. Tucker, Kristin Tuft...