ICML Conference 1995 Conference Paper
A Lexical Based Semantic Bias for Theory Revision
- Clifford Brunk
- Michael J. Pazzani
Author name cluster
Clifford Brunk
Possible papers associated with this exact author name in Arrow. This page groups case-insensitive exact name matches and is not a full identity disambiguation profile.
3 papers
1 author row
Possible papers
3LOPSTR Conference 1994 Conference Paper
Avoiding Non-Termination when Learning Logical Programs: A Case Study with FOIL and FOCL
- Giovanni Semeraro
- Floriana Esposito
- Donato Malerba
- Clifford Brunk
- Michael J. Pazzani
Abstract Many systems that learn logic programs from examples adopt θ -subsumption as model of generalization and refer to Plotkin's framework in order to define their search space. However, they seldom take into account the fact that the lattice defined by Plotkin is a set of equivalence classes rather than simple clauses. This may lead to non-terminating learning processes, since the search gets stuck within an equivalence class, which contains an infinite number of clauses. In the paper, we present a task that cannot be solved by two well-known systems that learn logic programs, FOIL and FOCL. The failure is explained on the ground of the previous consideration about the search space. This task can be solved by adopting a weaker, but more mechanizable and manageable, model of generalization, called θ -subsumption under object identity ( θ OI -subsumption). Such a solution has been implemented in a new version of FOCL, called FOCL-OI.
ICML Conference 1994 Conference Paper
Reducing Misclassification Costs
- Michael J. Pazzani
- Christopher J. Merz
- Patrick M. Murphy
- Kamal M. Ali
- Timothy Hume
- Clifford Brunk