Relation Discovery discovers predicates (relation types) from a text corpus relying on the co-occurrence of two named entities in the same sentence. This is a very narrowing constraint: it represents only a small fraction of all relation mentions in practice. In this paper we propose a high recall approach for predicate extraction which enables covering up to 16 times more sentences in a large ...

ILQUA first participated in TREC QA main task in 2003. This year we have made modifications to the system by removing some components with poor performance and enhanced the system with new methods and new components. The newly built ILQUA is an IE-driven QA system. To answer “Factoid” and “List” questions, we apply our answer extraction methods on NE-tagged passages. The answer extraction metho...

This paper presents new Information Extraction scenarios which are linguistically and structurally more challenging than the traditional MUC scenarios. Traditional views on event structure and template design are not adequate for the more complex scenarios. The focus of this paper is to show the complexity of the scenarios, and propose a way to recover the structure of the event. First we ident...

We administered four sequential tuberculin skin tests (5 TU, PPD) with intervals of one week to 223 subjects older than 65 years of age to evaluate whether elderly subjects demonstrated progressive boosting. Indurations of at least 10 mm with increases of at least 6 mm (over the previous test) were considered significant reactions, and these were found in 29 percent of the subjects after test 1...

Abstract Background Despite recent preventive strategies and advances in antimicrobial surgical treatment the incidence mortality rate of infective endocarditis (IE) remains high adult Congenital Heart Disease (ACHD) patients. Purpose The aim our retrospective study was to assess clinical microbiological characteristics, inhospital one year rates ACHD patients admitted with IE tertiary referral...

BACKGROUND: Infective endocarditis (IE) was a significant cause of morbidity and mortality, particularly in children with congenital heart disease (CHD). could occur all ages higher below 1-year-old, including neonates. Various clinical manifestations IE make it difficult to prompt diagnosis appropriate management. Finding echocardiography help clinicians determine the IE. Systemic embolization...