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» The Constellation Query Language
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FOCS
1998
IEEE
15 years 8 months ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
15 years 5 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...
188
Voted
ICDE
2009
IEEE
157views Database» more  ICDE 2009»
15 years 1 months ago
Query Rewrites with Views for XML in DB2
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
Parke Godfrey, Jarek Gryz, Andrzej Hoppe, Wenbin M...
CLEF
2007
Springer
15 years 10 months ago
Bengali, Hindi and Telugu to English Ad-Hoc Bilingual Task at CLEF 2007
This paper presents the experiments carried out at Jadavpur University as part of participation in the CLEF 2007 ad-hoc bilingual task. This is our first participation in the CLEF...
Sivaji Bandyopadhyay, Tapabrata Mondal, Sudip Kuma...
SIGMOD
2003
ACM
140views Database» more  SIGMOD 2003»
16 years 4 months ago
A Comprehensive XQuery to SQL Translation using Dynamic Interval Encoding
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...
David DeHaan, David Toman, Mariano P. Consens, M. ...