Angesichts der stetigen, überproportionalen Zunahme des Anteils an digitalen Dokumenten im Bibliotheksbestand wird die automatische Indexierung als einzige Möglichkeit angesehen, die Sacherschließung, die eine zentrale Informationsdienstleistung der Bibliotheken darstellt, auch zukünftig...

Die Bewertung der Indexierungsqualität bzw. -güte ist ein grundlegendes Problem von manuellen und automatischen Indexierungsverfahren. Letztere werden aber gerade im digitalen Zeitalter als einzige Möglichkeit angesehen, den zunehmenden Schwierigkeiten bibliothekarischer...

"A substantial experimental literature suggests that a personal solicitation is an effective way to induce people to make charitable donations. We examine whether this result generalizes to a non-experimental setting. Specifically, we estimate the effect of a marginal personal solicitation using...

DataCite is an international consortium which aims to increase acceptance of research data as legitimate, citable contributions to scholarly communication. To enable this DataCite assigns persistent identifiers for research datasets and manages the infrastructures that support simple and...

This essay sketches technical and non-technical issues around persistent identifiers (henceforth PIs) in a manner which makes no attempt to be complete. Our goal is to rescue the core notions from the obscurity which detail and completeness burdens them with. A reader willing to entertain the...

In the economic and financial analysis domain a quick access to the right information plays a major role. Using current systems, the search for and presentation of data is very cumbersome. The data, mostly in form of time-series, is stored in various databases. In order to retrieve the searched...

The importance of comprehensive annotations for learning resources is widely recognized. However, it is often unclear how these annotations should be created. A promising solution might be that learners annotate learning resources during execution of learning processes. This paper examines...