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» On database query languages for K-relations
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CORR
2010
Springer
141views Education» more  CORR 2010»
13 years 7 months ago
A database approach to information retrieval: The remarkable relationship between language models and region models
In this report, we unify two quite distinct approaches to information retrieval: region models and language models. Region models were developed for structured document retrieval....
Djoerd Hiemstra, Vojkan Mihajlovic
VLDB
2006
ACM
203views Database» more  VLDB 2006»
14 years 7 months ago
The CQL continuous query language: semantic foundations and query execution
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...
Arvind Arasu, Shivnath Babu, Jennifer Widom
ICDE
2010
IEEE
199views Database» more  ICDE 2010»
13 years 11 months ago
XMorph: A Shape-Polymorphic, Domain-Specific XML Data Transformation Language
By imposing a single hierarchy on data, XML makes queries brittle in the sense that a query might fail to produce the desired result if it is executed on the same data organized in...
Curtis Dyreson, Sourav S Bhowmick, Aswani Rao Jann...
DBPL
1999
Springer
101views Database» more  DBPL 1999»
13 years 12 months ago
On the Power of Incremental Evaluation in SQL-Like Languages
We consider IES(SQL), the incremental evaluation system over an SQL-like language with grouping, arithmetics, and aggregation. We show that every second order query is in IES(SQL) ...
Leonid Libkin, Limsoon Wong
DKE
2006
118views more  DKE 2006»
13 years 7 months ago
KDDML: A middleware language and system for knowledge discovery in databases
KDDML (KDD Markup Language) is a middleware language and system designed to support the development of final applications or higher level systems which deploy a mixture of data acc...
Andrea Romei, Salvatore Ruggieri, Franco Turini