APHRICA: A PHRase In Context Algorithm

This paper was in part inspired by a talk given at the ALLC/ACH92 conference at Oxford by Ian Lancashire. His talk was entitled “Phrasal Repe-tends in Literary Stylistics ” and included the re-marks: Phrasal repetends also increase in complexi-ty combinatorially as they grow longer. For example, every 5-fixed-word repetend oc-curring 7 times contains 9 smaller fixed sub-phrases as well as a larger number of two-word, three-word, and four-word unfixed (collocating) combinations also occurring at least 7 times. (Any of these sub-phrases may occur more than 7 times, depending on the text.) Any phrasal repetend larger than tw