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CIKM
2005
Springer
14 years 1 months ago
Optimizing cursor movement in holistic twig joins
Holistic twig join algorithms represent the state of the art for evaluating path expressions in XML queries. Using inverted indexes on XML elements, holistic twig joins move a set...
Marcus Fontoura, Vanja Josifovski, Eugene J. Sheki...
VLDB
2005
ACM
85views Database» more  VLDB 2005»
14 years 1 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
ICADL
2003
Springer
107views Education» more  ICADL 2003»
14 years 22 days ago
A Multimedia Digital Library System Based on MPEG-7 and XQuery
We designed and implemented a digital library system that supports content-based retrieval of multimedia objects based on MPEG-7 and XQuery. MPEG-7, a metadata standard for multim...
Mann-Ho Lee, Ji-Hoon Kang, Sung-Hyon Myaeng, Soon ...
ADC
2001
Springer
95views Database» more  ADC 2001»
14 years 1 days ago
Towards a temporal world-wide web: a transaction-time server
Transaction time is the time of a database transaction, i.e., an insertion, update, or deletion. A transactiontime database stores the transaction-time history of a database and s...
Curtis E. Dyreson
SIGMOD
2003
ACM
239views Database» more  SIGMOD 2003»
14 years 7 months ago
D(k)-Index: An Adaptive Structural Summary for Graph-Structured Data
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
Chen Qun, Andrew Lim, Kian Win Ong