Answers to three questions from Alan Berg

Conflating Answers: to and from Design Questions

From random sets to continuous tensor products: answers to three questions of W. Arveson

The set of zeros of a Brownian motion gives rise to a product system in the sense of William Arveson (that is, a continuous tensor product system of Hilbert spaces). Replacing the Brownian motion with a Bessel process we get a continuum of non-isomorphic product systems.

Evaluating Answers to Definition Questions

This paper describes an initial evaluation of systems that answer questions seeking definitions. The results suggest that humans agree sufficiently as to what the basic concepts that should be included in the definition of a particular subject are to permit the computation of concept recall. Computing concept precision is more problematic, however. Using the length in characters of a definition...

Finding Answers to Definition Questions

Current researches on Question Answering concern more complex questions than factoid ones. Since definition questions are investigated by many researches, how to acquire accurate answers still becomes a core problem for definition QA. Although some systems use web knowledge bases to improve answer acquisition, we propose an approach that leverage them in an effective way. After summarizing defi...

Answers to a congressman's questions.

1. Why am I, as a medical scientist, distressed over a small 5 to 10% cut in our budget for research? For several reasons: a) The funds allocated for extramural research and training to the National Heart Institute (as an example) were less for the year ending June 30, 1969 ($125.4 million) than they were for the year ending June 30, 1963 ($127.4 million), yet during that 6-year period the cost...