Information Organization -- Automatic Word Clustering for Text Categorization Using Global Information -- Text Classification Using Web Corpora and EM Algorithms -- Applying CLIR Techniques to Event Tracking -- Document Clustering Using Linear Partitioning Hyperplanes and Reallocation -- Automatic Summarization -- Summary Generation Centered on Important Words -- Sentence Compression Learned by News Headline for Displaying in Small Device -- Automatic Text Summarization Using Two-Step Sentence Extraction -- Sentence Extraction Using Time Features in Multi-document Summarization -- Alignment/Paraphrasing in IR -- Extracting Paraphrases of Japanese Action Word of Sentence Ending Part from Web and Mobile News Articles -- Improving Transliteration with Precise Alignment of Phoneme Chunks and Using Contextual Features -- Combining Sentence Length with Location Information to Align Monolingual Parallel Texts -- Web Search -- Effective Topic Distillation with Key Resource Pre-selection -- Efficient PageRank with Same Out-Link Groups -- Literal-Matching-Biased Link Analysis -- Linguistic Issues in IR -- Multilingual Relevant Sentence Detection Using Reference Corpus -- A Bootstrapping Approach for Geographic Named Entity Annotation -- Using Verb Dependency Matching in a Reading Comprehension System -- Document/Query Models -- Sense Matrix Model and Discrete Cosine Transform -- Query Model Estimations for Relevance Feedback in Language Modeling Approach -- A Measure Based on Optimal Matching in Graph Theory for Document Similarity -- Estimation of Query Model from Parsimonious Translation Model -- Enabling Technology -- Ranking the NTCIR Systems Based on Multigrade Relevance -- X-IOTA: An Open XML Framework for IR Experimentation -- Recognition-Based Digitalization of Korean Historical Archives -- On Bit-Parallel Processing of Multi-byte Text -- Mobile Applications -- Retrieving Regional Information from Web by Contents Localness and User Location -- Towards Understanding the Functions of Web Element -- Clustering-Based Navigation of Image Search Results on Mobile Devices