Administrative RBAC (ARBAC) policies specify how Role-Based Access Control (RBAC) policies may be changed by each administrator. It is often difficult to fully understand the effe...
Scott D. Stoller, Ping Yang, C. R. Ramakrishnan, M...
We examine clarification dialogue, a mechanism for refining user questions with follow-up questions, in the context of open domain Question Answering systems. We develop an algori...
We present a question answering (QA) system which learns how to detect and rank answer passages by analyzing questions and their answers (QA pairs) provided as training data. We b...
The TREC 2007 question answering (QA) track contained two tasks: the main task consisting of series of factoid, list, and “Other” questions organized around a set of targets, ...
The CLEF Interactive Track (iCLEF) is devoted to the comparative study of userinclusive cross-language search strategies. In 2005, we have studied two cross-language search tasks:...