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VLDB
1995
ACM
150views Database» more  VLDB 1995»
13 years 11 months ago
Procedures in Object-Oriented Query Languages
We follow the stack-baaed approach to query languages which is a new formal and intellectual paradigm for integrating querying and programming for object-oriented databases. Queri...
Kazimierz Subieta, Yahiko Kambayashi, Jacek Leszcz...
ICDT
2009
ACM
125views Database» more  ICDT 2009»
14 years 8 months ago
How big must complete XML query languages be?
Marx and de Rijke have shown that the navigational core of the w3c XML query language XPath is not first-order complete ? that is it cannot express every query definable in firsto...
Clemens Ley, Michael Benedikt
ACL
2009
13 years 5 months ago
System for Querying Syntactically Annotated Corpora
This paper presents a system for querying treebanks. The system consists of a powerful query language with natural support for cross-layer queries, a client interface with a graph...
Petr Pajas, Jan Stepánek
ICDT
2005
ACM
125views Database» more  ICDT 2005»
14 years 1 months ago
PTIME Queries Revisited
The existence of a language expressing precisely the PTIME queries on arbitrary structures remains the central open problem in the theory of database query languages. As it turns o...
Alan Nash, Jeffrey B. Remmel, Victor Vianu
SIGMOD
1998
ACM
115views Database» more  SIGMOD 1998»
13 years 12 months ago
Providing Database-like Access to the Web Using Queries Based on Textual Similarity
Most databases contain “name constants” like course numbers, personal names, and place names that correspond to entities in the real world. Previous work in integration of het...
William W. Cohen