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OTM
2005
Springer
14 years 3 months ago
Don't Mind Your Vocabulary: Data Sharing Across Heterogeneous Peers
The strong dynamics of peer-to-peer networks, coupled with the diversity of peer vocabularies, makes query processing in peer database systems a very challenging task. In this pape...
Mehedi Masud, Iluju Kiringa, Anastasios Kementsiet...
WEBDB
2010
Springer
172views Database» more  WEBDB 2010»
14 years 3 months ago
Find your Advisor: Robust Knowledge Gathering from the Web
We present a robust method for gathering relational facts from the Web, based on matching generalized patterns which are automatically learned from seed facts for relations of int...
Ndapandula Nakashole, Martin Theobald, Gerhard Wei...
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
14 years 2 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
IDA
1997
Springer
14 years 2 months ago
How to Find Big-Oh in Your Data Set (and How Not to)
The empirical curve bounding problem is de ned as follows. Suppose data vectors X Y are presented such that E(Y i]) = f(X i]) where f(x) is an unknown function. The problem is to a...
Catherine C. McGeoch, Doina Precup, Paul R. Cohen
ICFP
2010
ACM
13 years 11 months ago
Scrapping your inefficient engine: using partial evaluation to improve domain-specific language implementation
Partial evaluation aims to improve the efficiency of a program by specialising it with respect to some known inputs. In this paper, we show that partial evaluation can be an effec...
Edwin Brady, Kevin Hammond