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» Understanding the Yarowsky Algorithm
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SIGMOD
2006
ACM
153views Database» more  SIGMOD 2006»
16 years 6 months ago
Interactive query formulation over web service-accessed sources
Integration systems typically support only a restricted set of queries over the schema they export. The reason is that the participating information sources contribute limited con...
Michalis Petropoulos, Alin Deutsch, Yannis Papakon...
PODS
2008
ACM
141views Database» more  PODS 2008»
16 years 6 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
EDBT
2006
ACM
116views Database» more  EDBT 2006»
16 years 6 months ago
VICO: Visualizing Connected Object Orderings
In modern databases, complex objects like multimedia data, proteins or text objects can be modeled in a variety of representations and can be decomposed into multiple instances of ...
Stefan Brecheisen, Hans-Peter Kriegel, Matthias Sc...
EDBT
2008
ACM
162views Database» more  EDBT 2008»
16 years 6 months ago
Schema merging and mapping creation for relational sources
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
Rachel Pottinger, Philip A. Bernstein
ICSE
2008
IEEE-ACM
16 years 6 months ago
CCVisu: automatic visual software decomposition
Understanding the structure of large existing (and evolving) software systems is a major challenge for software engineers. In reverse engineering, we aim to compute, for a given s...
Dirk Beyer