6884 search results - page 1145 / 1377 » The macro-structure of use of help |
154
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CHI
2002
ACM
16 years 7 months ago
2002
ACM
In the future, interactive robots will perform many helpful tasks. In 5 studies, we developed techniques for measuring the richness and content of people's mental models of a...
247
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Enabling keyword queries over relational databases (KQDB) benefits a large population of users who have difficulty in understanding the database schema or using SQLs. However, sin...
298
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...
242
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
We define a match join of R and S with predicate to be a subset of the -join of R and S such that each tuple of R and S contributes to at most one result tuple. Match joins and t...
138
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. Physical database design tools rely on a DBA-provided workload to pick an "optimal" set of indexes and materialized views. Such an approach fails to capture sce...