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- Finkel, Raphael A., et al.
(author)
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Signature extraction for overlap detection in documents
- 2002
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In: Australian Computer Science Communications. - 0157-3055. ; 24:1, s. 59-64
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Journal article (peer-reviewed)abstract
- Easy access to the Web has led to increased potential for students cheating on assignments by plagiarising others' work. By the same token, Web-based tools offer the potential for instructors to check submitted assignments for signs of plagiarism. Overlap-detection tools are easy to use and accurate in plagiarism detection, so they can be an excellent deterrent to plagiarism. Documents can overlap for other reasons, too: Old documents are superseded, and authors summarize previous work identically in several papers. Overlap-detection tools can pinpoint interconnections in a corpus of documents and could be used in search engines.We describe a web-accessible text registry based on signature extraction. We extract a small but diagnostic signature from each registered text for permanent storage and comparison against other stored signatures. This comparison allows us to estimate the amount of overlap between pairs of documents, although the total time required is linear in the total size of the documents. We compare our algorithm with several alternatives and present both efficiency and accuracy results.
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- Lister, Raymond, et al.
(author)
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Differing Ways that Computing Academics Understand Teaching.
- 2007
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In: Australian Computer Science Communications. - 0157-3055. ; 29:5, s. 97-106
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Journal article (peer-reviewed)abstract
- This paper presents first results from a wide-ranging phenomenographic study of computing academics' understanding of teaching. These first results focus upon four areas: the role of lab practical sessions, the experience of teaching success, conceptions of motivating and engaging students, and the granularity of the teacher's focus. The findings are comparable with prior work on the understandings of academics in other disciplines. This study was started as part of a workshop on phenomenography. Most participants at the workshop received their first training in phenomenography. This paper summarises the structure of the workshop.
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