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There has been an ongoing discussion about how to improve the delivery of scientific content using online tools, especially by focusing on content reuse and social media. This column explores how semantic technologies and systems could also enhance the scientific communication process. The author discusses some ongoing initiatives in semantic publishing, which aims to improve how scientists communicate...
In an earlier paper [1], the author showed that certain problems involving sparse polynomials and integers are NP-hard. In this paper we show that many related problems are also NP-hard. In addition, we exhibit some new NP-complete problems. Most of the new results concern problems in which the nondeterminism is "hidden". That is, the problems are not explicitly stated in terms of one of...
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