In this paper methods for both speeding up passage processing and examining more passages using parallel computers are explored. The number of passages processed are varied in order to examine the effect on retrieval effectiveness and efficiency. The particular algorithm applied has previously...

This paper examines the assessment of the Data Liberation Initiative (DLI), a data consortium, from the perspective of the program's functionality and fulfilment of stakeholder objectives. Two models are described which help assess how well the program succeeded in doing what it was intended to...

I explore cross-sectional portfolio performance in a sample containing 324,736 transactions conducted by 16,831 investors at an Internet discount brokerage firm during the period May 1999 to March 2002. On average, investors hold undiversified portfolios, show a strong preference for risk, and...