Relevant events in a three state illness-death model (IDM) of a chronic disease are the diagnosis of the disease and death with or without the disease. In this article a simulation framework for populations moving in the IDM is presented. The simulation is closely related to the concept of Lexis diagrams in event history analysis. Details of the implementation and an example of a hypothetical d...

In this paper we address the problem of filtering obscene lexis in Russian texts. We use string similarity measures to find words similar or identical to words from a stop list and establish both a test collection and a baseline for the task. Our experiments show that a novel string similarity measure based on the notion of an annotated suffix tree outperforms some of the other well known measu...

The purpose of this report is to provide an overview of LEXIS-NEXIS’ entries to the TREC-7 competition. The report will describe the experiments we conducted, the results we obtained, and our future research directions. The report is divided into three sections. The first section describes the experimental setup and gives a brief account of some of the research activities that led to the TREC-7...

This paper introduces Boas, a semi-automatic knowledge elicitation system that guides a team of two people through the process of developing the static knowledge sources for a moderate-quality, broad-coverage MT system from any "low-density" language into English in about six months. The paper focuses on some issues in the elicitation of descriptive knowledge in Boas and also the issue of the p...