Sciweavers

SIGMOD
2004
ACM
120views Database» more  SIGMOD 2004»
14 years 7 months ago
Toward an ontology-enhanced information filtering agent
Whereas search engines assist users in locating initial information sources, often an overwhelmingly large number of ULRs is returned, and the task of browsing websites rests heavi...
Kwang Mong Sim
SIGMOD
2004
ACM
139views Database» more  SIGMOD 2004»
14 years 7 months ago
Semantic Integration: A Survey Of Ontology-Based Approaches
Semantic integration is an active area of research in several disciplines, such as databases, information-integration, and ontologies. This paper provides a brief survey of the ap...
Natalya Fridman Noy
SIGMOD
2004
ACM
95views Database» more  SIGMOD 2004»
14 years 7 months ago
Logic-based Web Information Extraction
Georg Gottlob, Christoph Koch
SIGMOD
2004
ACM
97views Database» more  SIGMOD 2004»
14 years 7 months ago
Integration of Biological Sources: Current Systems and Challenges Ahead
This paper surveys the area of biological and genomic sources integration, which has recently become a major focus of the data integration research field. The challenges that an i...
Thomas Hernandez, Subbarao Kambhampati
SIGMOD
2004
ACM
157views Database» more  SIGMOD 2004»
14 years 7 months ago
BIO-AJAX: An Extensible Framework for Biological Data Cleaning
As databases become more pervasive through the biological sciences, various data quality issues regarding data legacy, data uniformity and data duplication arise. Due to the natur...
Katherine G. Herbert, Narain H. Gehani, William H....
SIGMOD
2004
ACM
114views Database» more  SIGMOD 2004»
14 years 7 months ago
Evaluating lock-based protocols for cooperation on XML documents
We discuss four different core protocols for synchronizing access to and modifications of XML document collections. These core protocols synchronize structure traversals and modif...
Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
SIGMOD
2004
ACM
101views Database» more  SIGMOD 2004»
14 years 7 months ago
UbiData: Requirements and Architecture for Ubiquitous Data Access
Mobile users today demand ubiquitous access to their data from any mobile device and under variable connection quality. We refer to this requirement as any-time, any-where data ac...
Abdelsalam Helal, Joachim Hammer
SIGMOD
2004
ACM
103views Database» more  SIGMOD 2004»
14 years 7 months ago
A Read-Only Transaction Anomaly Under Snapshot Isolation
Snapshot Isolation (SI), is a multi-version concurrency control algorithm introduced in [BBGMOO95] and later implemented by Oracle. SI avoids many concurrency errors, and it never ...
Alan Fekete, Elizabeth J. O'Neil, Patrick E. O'Nei...
SIGMOD
2004
ACM
140views Database» more  SIGMOD 2004»
14 years 7 months ago
Automatic Direct and Indirect Schema Mapping: Experiences and Lessons Learned
A schema mapping produces a semantic correspondence between two schemas. Automating schema mapping is challenging. The existence of 1:n (or n:1) and n:m mapping cardinalities make...
David W. Embley, Li Xu, Yihong Ding
SIGMOD
2004
ACM
189views Database» more  SIGMOD 2004»
14 years 7 months ago
A Holistic Paradigm for Large Scale Schema Matching
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
Bin He, Kevin Chen-Chuan Chang