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JUCS
2010
130views more  JUCS 2010»
15 years 2 months ago
On the Linear Number of Matching Substrings
Abstract: We study the number of matching substrings in the pattern matching problem. In general, there can be a quadratic number of matching substrings in the size of a given text...
Yo-Sub Han
WWW
2002
ACM
16 years 4 months ago
RQL: a declarative query language for RDF
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
Gregory Karvounarakis, Sofia Alexaki, Vassilis Chr...
PODS
2004
ACM
120views Database» more  PODS 2004»
16 years 4 months ago
Locally Consistent Transformations and Query Answering in Data Exchange
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
Marcelo Arenas, Pablo Barceló, Ronald Fagin...
ICSOC
2005
Springer
15 years 9 months ago
Semantic Tuplespace
The tuplespace system is a popular cooperative communication paradigm in service-oriented computing. Tuple matching in existing tuplespace systems is either type-based or object-ba...
Liangzhao Zeng, Hui Lei, Badrish Chandramouli
ACL
2007
15 years 5 months ago
A Grammar-driven Convolution Tree Kernel for Semantic Role Classification
Convolution tree kernel has shown promising results in semantic role classification. However, it only carries out hard matching, which may lead to over-fitting and less accurate s...
Min Zhang, Wanxiang Che, AiTi Aw, Chew Lim Tan, Gu...