We investigate the impact of the precision/recall trade-off of information extraction on the
performance of an offline corpus-based question answering (QA) system. One of our findings is …

Joost is a question answering system for Dutch which makes extensive use of dependency
relations. It answers questions either by table look-up, or by searching for answers in …

Passage retrieval is used in QA to filter large document collections in order to find text units
relevant for answering given questions. In our QA system we apply standard IR techniques …

We present a QA system in which question analysis, off-line answer extraction and reranking
and identification of potential answers from an IR all make use of syntactic dependency …

We describe our system for the monolingual Dutch and multilingual English to Dutch QA
tasks. We describe the preprocessing of Wikipedia, inclusion of query expansion in IR, …

We describe our system for the monolingual Dutch and multilingual English to Dutch QA tasks.
First, we give a brief outline of the architecture of our QA-system, which makes heavy use …

We investigate to what extent it helps to use an automatically generated instance list for
resolving anaphoric definite NPs within the framework of an off-line answer extraction system. …

One of the most accurate methods in Question Answering (QA) uses off-line information
extraction to find answers for frequently asked questions. It requires automatic extraction from …

University of Groningen Off-line answer extraction for Question Answering Mur, Jori … For
more details on this technique see Mur and Van der Plas (2007). … In total we used 1039 …

Off-line answer extraction using patterns is a technique for corpus based Question Answering
(QA) that has proven to be very effective. The results typically show a high precision score. …