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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

Search results

Showing 171 to 180 of 1190 (0.033 seconds)

Spelling suggestions: "subject:"chains."" "subject:"cochains.""

171

Bioaccumulation potential of organic contaminants in an Arctic marine food web /

Kelly, Barry C. January 2006 (has links)
Thesis (Ph.D.) - Simon Fraser University, 2006. / Theses (School of Resource and Environmental Management) / Simon Fraser University. Senior supervisor : Dr. Frank A. P. C. Gobas. Included bibliographical references : leaves 226-248.
172

Habitat selection and food-web relations of Horned Grebes (Podiceps auritus) and other aquatic birds on constructed wetlands in the Peace Parkland, Alberta, Canada

Kuczynski, Eva Christine. January 2009 (has links)
Thesis (M. Sc.)--University of Alberta, 2009. / Title from pdf file main screen (viewed on July 10, 2009). "A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science in Ecology, Department of Biological Sciences, University of Alberta." Includes bibliographical references.
173

The causes and consequences of biodiversity in multitrophic communities

Krumins, Jennifer Adams. January 2007 (has links)
Thesis (Ph. D.)--Rutgers University, 2007. / "Graduate Program in Ecology and Evolution." Includes bibliographical references.
174

Geochemical characterization of high molecular weight organic material isolated from late Cretaceous fossils /

Ostrom, Margaret Harrigan. January 1990 (has links)
Thesis (Ph.D.) -- Memorial University of Newfoundland. / Typescript. Restricted until January 1992. Bibliography: leaves 180-195. Also available online.
175

Interactions among top-down regulators in a temperate forest floor ecosystem effects on macrofauna, mesofauna, microbes and litter decay /

Hickerson, Cari-Ann M. January 2010 (has links)
Thesis (Ph.D.)--Cleveland State University, 2010. / Abstract. Title from PDF t.p. (viewed on June 16, 2010). Includes bibliographical references (p. 137-142). Available online via the OhioLINK ETD Center and also available in print.
176

An ephemeral contributor to a toxic legacy? : group-specific molecular identification of prey in mercury-contaminated spiders by PCR /

Northam, Weston Thomas. January 2010 (has links)
Thesis (Honors)--College of William and Mary, 2010. / Includes bibliographical references (leaves 93-98). Also available online.
177

Selected interactions between phytoplankton, zooplankton, and the microbial food web microcosm experiments in marine and limnic habitats /

Katechakis, Alexis, January 2006 (has links)
Thesis (doctoral)--Ludwig-Maximilians-Universität München, 2006. / Title from PDF t.p. (viewed on May 14, 2006). Includes reprints of papers co-authored with others. Vita. Includes bibliographical references.
178

Ecosystem dynamics of the Aleutian Islands /

Ortiz, Ivonne. January 2007 (has links)
Thesis (Ph. D.)--University of Washington, 2007. / Vita. Includes bibliographical references (p. 217-248).
179

Evidence of a trophic cascade among wolves, elk, and aspen in Yellowstone National Park, USA /

Halofsky, Joshua Simon. January 1900 (has links)
Thesis (Ph. D.)--Oregon State University, 2008. / Printout. Includes bibliographical references (leaves 85-94). Also available on the World Wide Web.
180

Lexical Chains and Sliding Locality Windows in Content-based Text Similarity Detection

Nahnsen, Thade, Uzuner, Ozlem, Katz, Boris 19 May 2005 (has links)
We present a system to determine content similarity of documents. More specifically, our goal is to identify book chapters that are translations of the same original chapter; this task requires identification of not only the different topics in the documents but also the particular flow of these topics. We experiment with different representations employing n-grams of lexical chains and test these representations on a corpus of approximately 1000 chapters gathered from books with multiple parallel translations. Our representations include the cosine similarity of attribute vectors of n-grams of lexical chains, the cosine similarity of tf*idf-weighted keywords, and the cosine similarity of unweighted lexical chains (unigrams of lexical chains) as well as multiplicative combinations of the similarity measures produced by these approaches. Our results identify fourgrams of unordered lexical chains as a particularly useful representation for text similarity evaluation.
AI
Natural Language Processing
N-grams
Text Similarity
Lexical Chains

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