1. Leksička semantika i pragmatika 2. predavanje

2. Semantics -predicate arguments break(AGENT, INSTRUMENT, PATIENT) AGENT PATIENT INSTRUMENT John broke the window with a hammer. INSTRUMENT PATIENT The hammer broke the window. PATIENT The window broke. Fillmore 68 - The case for case LING 2000 - 2006 NLP2

3. AGENT PATIENT INSTRUMENT John broke the window with a hammer. SUBJ OBJ MODIFIER INSTRUMENT PATIENT The hammer broke the window. SUBJ OBJ PATIENT The window broke. SUBJ LING 2000 - 2006 NLP3

4. Natural Language Processing Applications and Tasks Machine Translation Question-Answering Information Retrieval Information Extraction CIS 8590 – Fall 2008 NLP4

5. Machine Translation One of the first applications for computers –bilingual dictionary > word-word translation Good translation requires understanding! –War and Peace, The Sound and The Fury? What can we do? Sublanguages. –technical domains, static vocabulary –Meteo in Canada, Caterpillar Tractor Manuals, Botanical descriptions, Military Messages LING 2000 - 2006 NLP5

6. Example translation LING 2000 - 2006 NLP6