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» Executing Nested Queries
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127
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ASWEC
2004
IEEE
15 years 7 months ago
Snapshot Query-Based Debugging
Object-oriented programs, when executed, produce a complex webs of objects and references between them, generally referred to as object graphs. These object graphs are difficult t...
Alex Potanin, James Noble, Robert Biddle
124
Voted
DAWAK
2005
Springer
15 years 9 months ago
Efficient Compression of Text Attributes of Data Warehouse Dimensions
This paper proposes the compression of data in Relational Database Management Systems (RDBMS) using existing text compression algorithms. Although the technique proposed is general...
Jorge Vieira, Jorge Bernardino, Henrique Madeira
104
Voted
SEC
2007
15 years 5 months ago
An Experimental Evaluation of Multi-Key Strategies for Data Outsourcing
Data outsourcing is emerging today as a successful solution for organizations looking for a cost-effective way to make their data available for on-line querying. To protect outsou...
Ernesto Damiani, Sabrina De Capitani di Vimercati,...
128
Voted
ER
2004
Springer
90views Database» more  ER 2004»
15 years 9 months ago
WUML: A Web Usage Manipulation Language for Querying Web Log Data
In this paper, we develop a novel Web Usage Manipulation Language (WUML) which is a declarative language for manipulating Web log data. We assume that a set of trails formed by use...
Qingzhao Tan, Yiping Ke, Wilfred Ng
123
Voted
VLDB
2005
ACM
126views Database» more  VLDB 2005»
15 years 9 months ago
Consistently Estimating the Selectivity of Conjuncts of Predicates
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
Volker Markl, Nimrod Megiddo, Marcel Kutsch, Tam M...