SECTION 5 GIVES THE RESULTS OF A NUMBER OF EXPERI-KNOWLEDGE ABOUT THE...
1. Compute the set of representative keywordsspeech tagger is used to process the question) andand
both from and from
; this step issemantic features (by means of semantic predicatescarried out using linguistic techniques, such asdefined on the WordNet taxonomy; see (Magnini etanswer type identification (from the question)al., 2001) for details). Possible answer types are:and named entities recognition (from the an-
DATE
,MEASURE
,PERSON
,LOCATION
,ORGANI
-swer);ZATION
,DEFINITION
andGENERIC
.DEFINITION
is the answer type peculiar to questions like “What