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» Query Rewriting for Semistructured Data
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EDBT
2008
ACM
162views Database» more  EDBT 2008»
16 years 2 months ago
Schema merging and mapping creation for relational sources
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
Rachel Pottinger, Philip A. Bernstein
SIGMOD
1997
ACM
136views Database» more  SIGMOD 1997»
15 years 6 months ago
STRUDEL: A Web-site Management System
The Strudel system applies concepts from database management systems to the process of building Web sites. Strudel’s key idea is separating the management of the site’s data, t...
Mary F. Fernández, Daniela Florescu, Jaewoo...
161
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WWW
2002
ACM
16 years 2 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...
WEBDB
2004
Springer
122views Database» more  WEBDB 2004»
15 years 7 months ago
Querying Bi-level Information
In our research on superimposed information management, we have developed applications where information elements in the superimposed layer serve to annotate, comment, restructure...
Sudarshan Murthy, David Maier, Lois M. L. Delcambr...
IEICET
2008
67views more  IEICET 2008»
15 years 1 months ago
Learning of Finite Unions of Tree Patterns with Internal Structured Variables from Queries
We consider the polynomial time learnability of finite unions of ordered tree patterns with internal structured variables, in the query learning model of Angluin (1988). An ordered...
Satoshi Matsumoto, Takayoshi Shoudai, Tomoyuki Uch...