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SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
15 years 9 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss
SDB
1995
178views Database» more  SDB 1995»
15 years 1 months ago
A Semantics-based Approach to Design of Query Languages for Partial Information
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
Leonid Libkin
INFORMATICALT
2008
162views more  INFORMATICALT 2008»
14 years 9 months ago
Vague Rough Set Techniques for Uncertainty Processing in Relational Database Model
Abstract. The study of databases began with the design of efficient storage and data sharing techniques for large amount of data. This paper concerns the processing of imprecision ...
Karan Singh, Samajh Singh Thakur, Mangi Lal
FQAS
2006
Springer
147views Database» more  FQAS 2006»
15 years 1 months ago
Using a Fuzzy Object-Relational Database for Colour Image Retrieval
The paper presents a fuzzy database management system, and a fuzzy method for dominant colour description of images, on which an image retrieval system is built. The paper shows th...
Carlos D. Barranco, Juan Miguel Medina, Jesú...
BMCBI
2005
189views more  BMCBI 2005»
14 years 9 months ago
A sentence sliding window approach to extract protein annotations from biomedical articles
Background: Within the emerging field of text mining and statistical natural language processing (NLP) applied to biomedical articles, a broad variety of techniques have been deve...
Martin Krallinger, Maria Padron, Alfonso Valencia