| Abstract | The copy is a 2001 Acrobat Distiller scan with no text layer -- 187 pages, 0 words -- so nothing can be extracted from it, and no registrar holds one: the thesis has no doi and neither Crossref nor OpenAlex indexes it. Transcribing the abstract would mean rendering leaves by eye, which is possible and has not been done; this is a statement about what is available now, not that the abstract is unobtainable. |
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| Container | A PhD dissertation is not published inside a container. The awarding institution is on the record as the school -- Massachusetts Institute of Technology -- and the document is identified by its technical report number, MIT/LCS/TR-205, carried on the record as series_number and printed on its title page. Volume, issue, isbn and issn are empty for the same reason: a thesis is neither a serial nor a book with a publisher's identifier. |
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| Pages | Self-paginated with no host publication to take an extent from; the copy is 187 pages. See the reason on container. |
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| Publisher | A dissertation has no publisher; the awarding institution is recorded in school, which is where it belongs. MIT's Laboratory for Computer Science issued it as a technical report, and that relationship is carried by series_number MIT/LCS/TR-205 rather than by treating the laboratory as a publisher. |
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