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CIKM
2005
Springer
15 years 7 months ago
Incremental evaluation of a monotone XPath fragment
This paper shows a scheme for incremental evaluation of XPath queries. Here, we focus on a monotone fragment of XPath, i.e., when a data is deleted from (or inserted to) the datab...
Hidetaka Matsumura, Keishi Tajima
ATAL
2006
Springer
15 years 5 months ago
A decision-theoretic approach to file consistency in constrained peer-to-peer device networks
As users interact with an increasing array of personal computing devices, maintaining consistency of data across those devices becomes significantly more difficult. Typical soluti...
David L. Roberts, Sooraj Bhat, Charles Lee Isbell ...
CIKM
2008
Springer
15 years 4 months ago
SQL extension for exploring multiple tables
The standard SQL assumes that the users are aware of all tables and their schemas to write queries. This assumption may be valid when the users deal with a relatively small number...
Sung Jin Kim, Junghoo John Cho
SIGMOD
2007
ACM
198views Database» more  SIGMOD 2007»
16 years 2 months ago
Addressing diverse user preferences in SQL-query-result navigation
Database queries are often exploratory and users often find their queries return too many answers, many of them irrelevant. Existing work either categorizes or ranks the results t...
Zhiyuan Chen, Tao Li
SIGMOD
2010
ACM
214views Database» more  SIGMOD 2010»
15 years 6 months ago
ParaTimer: a progress indicator for MapReduce DAGs
Time-oriented progress estimation for parallel queries is a challenging problem that has received only limited attention. In this paper, we present ParaTimer, a new type of timere...
Kristi Morton, Magdalena Balazinska, Dan Grossman