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POPL
2009
ACM
16 years 4 months ago
Bidirectionalization for free! (Pearl)
A bidirectional transformation consists of a function get that takes a source (document or value) to a view and a function put that takes an updated view and the original source b...
Janis Voigtländer
136
Voted
KDD
2009
ACM
243views Data Mining» more  KDD 2009»
16 years 4 months ago
Exploiting Wikipedia as external knowledge for document clustering
In traditional text clustering methods, documents are represented as "bags of words" without considering the semantic information of each document. For instance, if two ...
Xiaohua Hu, Xiaodan Zhang, Caimei Lu, E. K. Park, ...
238
Voted
SIGMOD
2009
ACM
192views Database» more  SIGMOD 2009»
16 years 3 months ago
A gauss function based approach for unbalanced ontology matching
Ontology matching, aiming to obtain semantic correspondences between two ontologies, has played a key role in data exchange, data integration and metadata management. Among numero...
Qian Zhong, Hanyu Li, Juanzi Li, Guo Tong Xie, Jie...
SIGMOD
2008
ACM
159views Database» more  SIGMOD 2008»
16 years 3 months ago
Bootstrapping pay-as-you-go data integration systems
Data integration systems offer a uniform interface to a set of data sources. Despite recent progress, setting up and maintaining a data integration application still requires sign...
Anish Das Sarma, Xin Dong, Alon Y. Halevy
SIGMOD
2006
ACM
127views Database» more  SIGMOD 2006»
16 years 3 months ago
Query evaluation using overlapping views: completeness and efficiency
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
Gang Gou, Maxim Kormilitsin, Rada Chirkova