Marker Passing as a Weak Method for Text Inferencing

The problem of deciding what is implied by a written text. of “reading between the lines” is the problem of text Inference. To extract proper inferences from a text requires a great deal of generol knowledge on the port of the reader. Past approaches have often used a “strong method” tuned to process a particular kind of knowledge structure (such OS a script, or a plan). The alternative is a “weak method” which is applicable to a variety of knowledge structures. Just such a method is proposed here. one which recognizes six very general classes of infer-