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» Supporting top-k join queries in relational databases
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SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
15 years 10 months ago
Query segmentation using conditional random fields
A growing mount of available text data are being stored in relational databases, giving rise to an increasing need for the RDBMSs to support effective text retrieval. In this pape...
Xiaohui Yu, Huxia Shi
CORR
2002
Springer
96views Education» more  CORR 2002»
14 years 9 months ago
Models and Tools for Collaborative Annotation
The Annotation Graph Toolkit (AGTK) is a collection of software which facilitates development of linguistic annotation tools. AGTK provides a database interface which allows appli...
Xiaoyi Ma, Haejoong Lee, Steven Bird, Kazuaki Maed...
VLDB
1998
ACM
139views Database» more  VLDB 1998»
15 years 1 months ago
Experiences in Federated Databases: From IRO-DB to MIRO-Web
From beginning of 1994 to the end of 1996, the IRO-DB ESPRIT project has developed tools for accessing relational and object-oriented databases in an integrated way. The system is...
Peter Fankhauser, Georges Gardarin, M. Lopez, J. M...
IDEAS
2000
IEEE
96views Database» more  IDEAS 2000»
15 years 2 months ago
A Cost Function for Uniformly Partitioned UB-Trees
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
Volker Markl, Rudolf Bayer
SIGMOD
2002
ACM
148views Database» more  SIGMOD 2002»
15 years 10 months ago
Accelerating XPath location steps
This work is a proposal for a database index structure that has been specifically designed to support the evaluation of XPath queries. As such, the index is capable to support all...
Torsten Grust