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» Querying structured data in an unstructured P2P system
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ESWS
2011
Springer
13 years 13 days ago
FedX: A Federation Layer for Distributed Query Processing on Linked Open Data
Driven by the success of the Linked Open Data initiative today’s Semantic Web is best characterized as a Web of interlinked datasets. Hand in hand with this structure new challen...
Andreas Schwarte, Peter Haase, Katja Hose, Ralf Sc...
AMW
2009
13 years 10 months ago
Consistent Query Answering in Data Warehouses
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
Leopoldo E. Bertossi, Loreto Bravo, Mónica ...
SIGMOD
2003
ACM
96views Database» more  SIGMOD 2003»
14 years 9 months ago
Toward network data independence
A number of researchers have become interested in the design of global-scale networked systems and applications. Our thesis here is that the database community's principles a...
Joseph M. Hellerstein
SBBD
2004
133views Database» more  SBBD 2004»
13 years 10 months ago
Query Processing in ROSA Data Model
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
Fábio Coutinho, Fabio Porto
SIGMOD
2009
ACM
215views Database» more  SIGMOD 2009»
14 years 9 months ago
Efficient type-ahead search on relational data: a TASTIER approach
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
Guoliang Li, Shengyue Ji, Chen Li, Jianhua Feng