1007 search results - page 72 / 202 » The Complexity of Futile Questioning |
166
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Date's popular critique of SQL's three-valued logic [4, 3] purports to demonstrate that SQL queries can produce erroneous results when nulls are present in the database....
121
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STACS
2010
Springer
15 years 10 months ago
2010
Springer
We present a method for reducing the treewidth of a graph while preserving all the minimal s−t separators. This technique turns out to be very useful in the design of parameteriz...
140
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AH
2008
Springer
15 years 10 months ago
2008
Springer
Open learner models (OLM) enable users to access their learner model to view information about their understanding. Opening the learner model to the learner may increase their perc...
152
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XPU
2007
Springer
15 years 10 months ago
2007
Springer
This research explored aspects of agile teamwork initiatives associated with positive socio-psychological phenomena, with a focus on phenomena outside the scope of traditional mana...
124
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INFOSCALE
2006
ACM
15 years 9 months ago
2006
ACM
We survey many of the measures used to describe and evaluate the efficiency and effectiveness of large-scale search services. These measures, herein visualized versus verbalized, ...