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» On Database Theory and XML
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PODS
2010
ACM
197views Database» more  PODS 2010»
15 years 6 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link
XIMEP
2004
ACM
108views Database» more  XIMEP 2004»
15 years 11 months ago
The Joy of SAX
Most current XQuery implementations require that all XML data reside in memory in one form or another before they start processing the data. This is unacceptable for large XML doc...
Leonidas Fegaras
IS
2010
15 years 4 months ago
Tree pattern mining with tree automata constraints
Most work on pattern mining focuses on simple data structures such as itemsets and sequences of itemsets. However, a lot of recent applications dealing with complex data like chem...
Sandra de Amo, Nyara A. Silva, Ronaldo P. Silva, F...
EDBT
2010
ACM
164views Database» more  EDBT 2010»
15 years 9 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...
ICDAR
2009
IEEE
16 years 1 months ago
A Realistic Dataset for Performance Evaluation of Document Layout Analysis
† There is a significant need for a realistic dataset on which to evaluate layout analysis methods and examine their performance in detail. This paper presents a new dataset (and...
Apostolos Antonacopoulos, David Bridson, Christos ...