Matching Ontology
0.1
information retrival technique
consideration of instance data
Similarity value
combines multiple matching criteria (name, type equality)
0
1
non-atomic level
consideration of schema-level information
combines multiple match results produced by different alg.
1:n
car - automobile
1:1
XML classifier for matching non-leaf elements
uses neutral networks
works only on Directed Acyclic Graphs
(DAGs) and "is-a'' relations
n:1
X is a hypernym ofY ifY is a kind of X.
SKAT - Semantic Knowledge Articulation Tool
n:1
Equality of canonical name representations after stemming and other preprocessing; important to deal with special prefix/suffix symbols
(e.g., CName → customer name)
1:n
1:n
Similarity of names based on common substrings, edit distance, pronunciation, soundex
1:1
n:1
SimilarityFlooding (SF)
approach of Li and Horrocs
similarity w.r.t related elements
Matching of neighbornhood
generic schema matching algorithm; uncovers mappings between two elements based on their names, data types, constrains, and schema structures
n:m