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» Procedures in Object-Oriented Query Languages
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DOCENG
2006
ACM
14 years 3 months ago
Comparing XML path expressions
XPath is the standard declarative language for navigating XML data and returning a set of matching nodes. In the context of XSLT/XQuery analysis, query optimization, and XML type ...
Pierre Genevès, Nabil Layaïda
PODS
2008
ACM
178views Database» more  PODS 2008»
14 years 10 months ago
The chase revisited
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
Alin Deutsch, Alan Nash, Jeffrey B. Remmel
SIGMOD
2008
ACM
190views Database» more  SIGMOD 2008»
14 years 10 months ago
XRPC: distributed XQuery and update processing with heterogeneous XQuery engines
We demonstrate XRPC, a minimal XQuery extension that enables distributed querying between heterogeneous XQuery engines. The XRPC language extension enhances the existing concept o...
Ying Zhang, Peter A. Boncz
CLEF
2003
Springer
14 years 3 months ago
Creating the DISEQuA Corpus: A Test Set for Multilingual Question Answering
This paper describes the procedure adopted by the three co-ordinators of the CLEF 2003 question answering track (ITC-irst, UNED and ILLC) to create the question set for the monoli...
Bernardo Magnini, Simone Romagnoli, Alessandro Val...
VLDB
1999
ACM
136views Database» more  VLDB 1999»
14 years 2 months ago
O-O, What Have They Done to DB2?
In this paper, we describe our recent experiences in adding a number of object-relational extensions to the DB2 Universal Database UDB system as part of a research and developme...
Michael J. Carey, Donald D. Chamberlin, Srinivasa ...