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» Typed Query Languages for Databases Containing Queries
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ICDE
2009
IEEE
164views Database» more  ICDE 2009»
14 years 10 months ago
Efficient and Robust Database Support for Data-Intensive Applications in Dynamic Environments
Requirements from new types of applications call for new database system solutions. Computational science applications performing distributed computations on Grid networks with req...
Jon Olav Hauglid, Kjetil Nørvåg, Norv...
ADBIS
2004
Springer
124views Database» more  ADBIS 2004»
14 years 2 months ago
Vague Spatial Data Types, Set Operations, and Predicates
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...
Alejandro Pauly, Markus Schneider
DBPL
1995
Springer
106views Database» more  DBPL 1995»
14 years 9 days ago
On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
Guozhu Dong, Leonid Libkin, Limsoon Wong
FSTTCS
2004
Springer
14 years 2 months ago
Learning Languages from Positive Data and a Finite Number of Queries
A computational model for learning languages in the limit from full positive data and a bounded number of queries to the teacher (oracle) is introduced and explored. Equivalence, ...
Sanjay Jain, Efim B. Kinber
ICDT
2009
ACM
108views Database» more  ICDT 2009»
14 years 9 months ago
A compositional query algebra for second-order logic and uncertain databases
World-set algebra is a variable-free query language for uncertain databases. It constitutes the core of the query language implemented in MayBMS, an uncertain database system. Thi...
Christoph Koch