This paper describes the participation of Columbus Project of Microsoft Research Asia (MSRA) in the GeoCLEF 2006 (a cross-language geographical retrieval track which is part of Cr...
Zhisheng Li, Chong Wang 0002, Xing Xie, Xufa Wang,...
Abstract. Both Geographic Information Systems and Information Retrieval have been very active research fields in the last decades. Lately, a new research field called Geographic In...
Many algorithms extract terms from text together with some kind of taxonomic classification (is-a) link. However, the general approaches used today, and specifically the methods o...
The PISAB Question Answering system is based on a combination of Information Extraction and Information Retrieval techniques. Knowledge extracted from documents is modeled as a se...
In this paper, we present a novel steganographic technique for hiding data in a kind of PDF texts. We first point out the secret channels in a kind of PDF English texts, which ar...