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SIGMOD
2006
ACM
426views Database» more  SIGMOD 2006»
14 years 9 months ago
Effective keyword search in relational databases
With the amount of available text data in relational databases growing rapidly, the need for ordinary users to search such information is dramatically increasing. Even though the ...
Fang Liu, Clement T. Yu, Weiyi Meng, Abdur Chowdhu...
PODS
2006
ACM
95views Database» more  PODS 2006»
14 years 9 months ago
Randomized computations on large data sets: tight lower bounds
We study the randomized version of a computation model (introduced in [9, 10]) that restricts random access to external memory and internal memory space. Essentially, this model c...
André Hernich, Martin Grohe, Nicole Schweik...
ICCS
2009
Springer
14 years 3 months ago
Distinguishing Answers in Conceptual Graph Knowledge Bases
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...
Nicolas Moreau, Michel Leclère, Madalina Cr...
SAC
2006
ACM
14 years 2 months ago
MTree: an XML XPath graph index
This paper introduces the MTree index algorithm, a special purpose XML XPath index designed to meet the needs of the hierarchical XPath query language. With the increasing importa...
P. Mark Pettovello, Farshad Fotouhi
ICAIL
2005
ACM
14 years 2 months ago
A study of accrual of arguments, with applications to evidential reasoning
d on Dung’s [4] abstract argumentation system • arguments: trees of chained defeasible inferences • aim: determine the status of a query given a belief base • incorporation...
Henry Prakken