This book constitutes the refereed proceedings of the 5th International Conference on Computational Linguistics and Intelligent Text Processing, CICLing 2004, held in Seoul, Korea in February 2004.The 74 revised papers presented together with 4 invited contributions were carefully reviewed and selected from 129 submissions. The papers are organized in sections on computational linguistics formalisms, semantics and dialogue, syntax and parsing, lexical analysis, named entity recognition, anaphora resolution, lexicon and corpus. Bilingual resources, machine translation, natural language generation, HCI applications, speech recognition, indexing, information retrieval, question answering and sentence retrieval, browsing, filtering, information extraction, text categorization, document clustering, summarization, and language identification.