Those are the topics that in my opinion, can be the most interesting ones:
Machine Translation
Information Retrieval
Automatic Summariation
Information Extraction
Word-Sense Disambiguation
Annotation Science
Language Generation and Text Planning
Multimodal Representations and Processing
Discourse and Pragmatics
Phonology/Morphology, POS Tagging, Word Segmentation
References:
Association for Computational Linguistics 2009. (2008-2009). In ACL-IJCNLP 2009. Retrieved 17:54, March 24, 2009, from http://www.acl-ijcnlp-2009.org/index.html
Human Language Technologies: The Annual Conference of the North […]