Purpose Social entrepreneurs often make public appeals for funding to investors who are motivated by nonfinancial considerations. This emerging research context is an opportunity for researchers to expand the bounds of entrepreneurship theory. To do so, we require appropriate research tools. In...

A popular theory of markets is that they are efficient: all available information is deemed to provide an accurate valuation of an asset at any time. In this paper, we consider how the content of market-related news articles contributes to such information. Specifically, we mine news articles...

During the evaluation of Information Retrieval Algorithms, measurements are often made against a Gold Standard. Since the construction of such a Gold Standard requires considerable resources, a high validity and a high degree of reusability would be an advantage. From a scientific point of view,...