Theme network is a semantic network of document specific themes. So far Natural Language Processing (NLP) research patronized much of topic based summarizer system, unable to captu...
Abstract. The concatenation product is one of the most important operations on regular languages. Its study requires sophisticated tools from algebra, ļ¬nite model theory and proļ...
This paper presents a transductive approach to learn ranking functions for extractive multi-document summarization. At the ļ¬rst stage, the proposed approach identiļ¬es topic th...
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
Sanda M. Harabagiu, V. Finley Lacatusu, Andrew Hic...
Message hierarchies in web discussion boards grow with new postings. Threads of messages evolve as new postings focus within or diverge from the original themes of the threads. Th...