The CAN system for automatic understanding of LISP programs is presented. Uhen applied on a LISP program, CAN needs no assertion about what the program is intended to do. CAN's general task is to associate e meaning to a program, from which it is able to diagnose semantlc properties (unused portions of code, undefinitions, underused programs, classes Of data for which evaluation of an expressio...

Due to the daily rapid growth of the information, there are considerable needs to extract and discover valuable knowledge from data sources such as the World Wide Web. Most of the common techniques in text mining are based on the statistical analysis of a term either word or phrase. These techniques consider documents as bags of words and pay no attention to the meanings of the document content...

Concept mapping is a valuable technique for education evaluation. This paper describes a system which supports teachers in creating concept mapping tasks which are intended to capture the student’s understanding of the ontology of a small domain. A novel feature of our work is that the system verifies that the student intended the map elements that will be used to infer student understanding an...

Many theories about the process of design have been derived from prescriptive or descriptive analysis. There have been few attempts to empirically test these theories. Protocol analysis facilitates detailed inspection of the design process allowing design task analysis across the temporal dimension. Some hypotheses about the design process, derived from the literature, are objectively tested us...

search and education. Yet, very often, these fields do not communicate to each other and are unaware of the work in other fields. Understanding the commonalities and differences among related fields can broaden our understanding of the interested phenomena from various perspectives, better utilize resources, enhance collaboration , and eventually move the related fields forward together. In thi...