Information integration in SIMS: 1
needs a model of the domain and of the data sources
address semantic heterogeneity in domain model:
...described sources using Loom’s Description Logic
address syntactic (format) heterogeneity:
...standardize access to sources:
- structured: handled DBMS, Oracle, MS Access
- semistructured: created wrappers for html, pdf
Jose-Luis Ambite, Rsch Scientist, ISI
Andrew Philpot, Sr Programmer, ISI