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» Efficient Query Evaluation over Compressed XML Data
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PVLDB
2008
167views more  PVLDB 2008»
13 years 8 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
VLDB
2002
ACM
161views Database» more  VLDB 2002»
13 years 8 months ago
Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
Panagiotis G. Ipeirotis, Luis Gravano
BTW
2003
Springer
103views Database» more  BTW 2003»
14 years 1 months ago
XPath-Aware Chunking of XML-Documents
Dissemination systems are used to route information received from many publishers individually to multiple subscribers. The core of a dissemination system consists of an efficient...
Wolfgang Lehner, Florian Irmert
CIKM
2005
Springer
14 years 2 months ago
A function-based access control model for XML databases
XML documents are frequently used in applications such as business transactions and medical records involving sensitive information. Typically, parts of documents should be visibl...
Naizhen Qi, Michiharu Kudo, Jussi Myllymaki, Hamid...
VLDB
1998
ACM
87views Database» more  VLDB 1998»
14 years 25 days ago
Fast High-Dimensional Data Search in Incomplete Databases
We propose and evaluate two indexing schemes for improving the efficiency of data retrieval in high-dimensional databases that are incomplete. These schemes are novel in that the ...
Beng Chin Ooi, Cheng Hian Goh, Kian-Lee Tan