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» Query Caching and View Selection for XML Databases
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EDBT
2002
ACM
125views Database» more  EDBT 2002»
14 years 8 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish
ICDT
2001
ACM
114views Database» more  ICDT 2001»
14 years 26 days ago
Subsumption for XML types
XML data is often used (validated, stored, queried, etc) with respect to di erent types. Understanding the relationship between these types can provide important information for ma...
Gabriel M. Kuper, Jérôme Siméo...
ICDT
2001
ACM
86views Database» more  ICDT 2001»
14 years 26 days ago
Minimizing View Sets without Losing Query-Answering Power
Abstract. The problem of answering queries using views has been studied extensively due to its relevance in a wide variety of data-management applications. In these applications, w...
Chen Li, Mayank Bawa, Jeffrey D. Ullman
EDBT
2006
ACM
177views Database» more  EDBT 2006»
14 years 8 months ago
Authorization-Transparent Access Control for XML Under the Non-Truman Model
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...
Alberto O. Mendelzon, Renée J. Miller, Yaro...
DEBU
2008
125views more  DEBU 2008»
13 years 8 months ago
Querying XML in Timber
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...
Yuqing Wu, Stelios Paparizos, H. V. Jagadish