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ICDE
2007
IEEE
141views Database» more  ICDE 2007»
15 years 11 months ago
Self Managing Top-k (Summary, Keyword) Indexes in XML Retrieval
Retrieval queries that combine structural constraints with keyword search represent a significant challenge to XML data management systems. Queries are expected to be answered as...
Mariano P. Consens, Xin Gu, Yaron Kanza, Flavio Ri...
VLDB
2005
ACM
206views Database» more  VLDB 2005»
15 years 10 months ago
Native XML Support in DB2 Universal Database
The major relational database systems have been providing XML support for several years, predominantly by mapping XML to existing concepts such as LOBs or (object-)relational tabl...
Matthias Nicola, Bert Van der Linden
ICDE
2001
IEEE
128views Database» more  ICDE 2001»
16 years 6 months ago
Counting Twig Matches in a Tree
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...
Zhiyuan Chen, H. V. Jagadish, Flip Korn, Nick Koud...
ICDT
2007
ACM
120views Database» more  ICDT 2007»
15 years 11 months ago
Scalable Query Dissemination in XPeer
Abstract. This paper presents XPeer, a data sharing system for massively distributed XML data. XPeer allows users to publish and query heterogeneous information without any signi...
Giovanni Conforti, Giorgio Ghelli, Paolo Manghi, C...
PVLDB
2008
167views more  PVLDB 2008»
15 years 4 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...