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» Relational Expressive Power of Constraint Query Languages
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PEPM
2011
ACM
12 years 10 months ago
Calculating tree navigation with symmetric relational zipper
Navigating through tree structures is a core operation in tree processing programs. Most notably, XML processing programs intensively use XPath, the path specification language t...
Yuta Ikeda, Susumu Nishimura
ATAL
2010
Springer
13 years 8 months ago
Time constraints in mixed multi-unit combinatorial auctions
We extend the framework of mixed multi-unit combinatorial auctions to include time constraints, present an expressive bidding language, and show how to solve the winner determinati...
Andreas Witzel, Ulle Endriss
IWPC
2003
IEEE
14 years 1 months ago
YAAB (Yet Another AST Browser): Using OCL to Navigate ASTs
In the last decades several tools and environments defined and introduced languages for querying, navigating sforming abstract syntax trees. These environments were meant to supp...
Giuliano Antoniol, Massimiliano Di Penta, Ettore M...
WEBDB
2004
Springer
80views Database» more  WEBDB 2004»
14 years 1 months ago
Unraveling the Duplicate-Elimination Problem in XML-to-SQL Query Translation
We consider the scenario where existing relational data is exported as XML. In this context, we look at the problem of translating XML queries into SQL. XML query languages have t...
Rajasekar Krishnamurthy, Raghav Kaushik, Jeffrey F...
DAWAK
2009
Springer
14 years 12 days 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