Volker Lüdecke

Approaches for determining the geographic footprint of arbitrary terms for retrieval and visualization

Andreas Henrich, Daniel Blank, Volker Lüdecke, 2008, GIS '08.

Determining geographic representations for arbitrary concepts at query time

Andreas Henrich, Volker Lüdecke, A. Henrich, 2008, LocWeb.

Ad Hoc Determination of Geographic Regions for Concept@Location Queries

Andreas Henrich, Volker Lüdecke, A. Henrich, 2008, Weaving Services and People on the World Wide Web.

Geografisches Information Retrieval

Christoph Schlieder, Andreas Henrich, Jens Gräf, 2006, Datenbank-Spektrum.

Characteristics of geographic information needs

Andreas Henrich, Volker Lüdecke, A. Henrich, 2007, GIR '07.