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148
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SIGMOD
2002
ACM
129views Database» more  SIGMOD 2002»
16 years 4 months ago
Dwarf: shrinking the PetaCube
Dwarf is a highly compressed structure for computing, storing, and querying data cubes. Dwarf identifies prefix and suffix structural redundancies and factors them out by coalesci...
Yannis Sismanis, Antonios Deligiannakis, Nick Rous...
EDBT
2006
ACM
174views Database» more  EDBT 2006»
16 years 4 months ago
Fast Computation of Reachability Labeling for Large Graphs
The need of processing graph reachability queries stems from many applications that manage complex data as graphs. The applications include transportation network, Internet traffic...
Jiefeng Cheng, Jeffrey Xu Yu, Xuemin Lin, Haixun W...
EDBT
2006
ACM
177views Database» more  EDBT 2006»
16 years 4 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...
EDBT
2006
ACM
105views Database» more  EDBT 2006»
16 years 4 months ago
HASE: A Hybrid Approach to Selectivity Estimation for Conjunctive Predicates
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
Xiaohui Yu, Nick Koudas, Calisto Zuzarte
135
Voted
EDBT
2008
ACM
122views Database» more  EDBT 2008»
16 years 4 months ago
Semantic peer, here are the neighbors you want!
Peer Data Management Systems (PDMSs) have been introduced as a solution to the problem of large-scale sharing of semantically rich data. A PDMS consists of semantic peers connecte...
Wilma Penzo, Stefano Lodi, Federica Mandreoli, Ric...
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