Search: a, Theory, 1995

3 results

Results

On the Editing Distance between Undirected Acyclic Graphs and Related Problems

... degree-2 distance, when applied to unordered trees, is a restricted form of the constrained distance previously reported in [27]. When applied to ordered trees, the degree-2 distance is a generalized measure of the constrained distance originated from Selkow ...

Publication - huliganka - 04/16/2013 - 06:16 - 0 comments - 0 attachments

A semantic meta-modelling approach to schema transformation

... presents an intermediate meta-model that consists of a set of generic meta-classes that capture and describe the semantics of a variety of data models. A model is described by a set of intermediate model ...

Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments

Schema Translation between Heterogeneous Data Models in a Lattice Framework

... translating schemes between different data models, in a formal framework that refers to a wide range of models. We first introduce a graphtheoretic formalism that ...

Publication - huliganka - 04/15/2013 - 23:16 - 0 comments - 0 attachments