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ICDIM
2007
IEEE
14 years 2 months ago
Equivalence detection using parse-tree normalization for math search
In recent years, efforts have begun to put math contents on the Web. As for other types of Web information, search capabilities should be provided to enable users to find what the...
Mohammed Shatnawi, Abdou Youssef
VLDB
2004
ACM
112views Database» more  VLDB 2004»
14 years 8 months ago
Tracking set-expression cardinalities over continuous update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In i...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
PODS
1997
ACM
124views Database» more  PODS 1997»
14 years 3 days ago
Languages for Relational Databases over Interpreted Structures
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
Michael Benedikt, Leonid Libkin
PVLDB
2008
123views more  PVLDB 2008»
13 years 7 months ago
Dependable cardinality forecasts for XQuery
Though inevitable for effective cost-based query rewriting, the derivation of meaningful cardinality estimates has remained a notoriously hard problem in the context of XQuery. By...
Jens Teubner, Torsten Grust, Sebastian Maneth, She...
CHI
2006
ACM
14 years 8 months ago
"Sketching" nurturing creativity: commonalities in art, design, engineering and research
icians or philosophers use abstract symbols to derive formulas or form proofs. Indeed, these sketches are structural geometric proofs, consistent with Plato's supposition that...
Kumiyo Nakakoji, Atau Tanaka, Daniel Fallman