Building WrappersPart of the problem is record separation

• The record-identification task in wrapper construction is nontrivial

• Previous Work

  • manually [AM97, GHR97, HGMC+97]
  • semi-automatically [Ade98, AK97a, AK97b, DEW97, KWD97, Sod97]

• Our Work

  • automatic with the following assumptions
  • the Web document
    • has multiple records
    • is in HTML
    • contains at least one record-separator tag

Previous slide

Next slide

Back to first slide

View graphic version