Naist-is-dt0161021 doctor's thesis studies on improving retrieval accuracy in web information retrieval kazunari sugiyama february 6, 2004 department of information systems graduate school of information science nara institute of science and technology. I'm writing a master thesis about web crawling and sentiment analysis and need to do some experimental research i wonder which sites can i use for information retrieval without problems and restrictions so that i could present the results ( without any exposure of users etc just the final results of opinion mining) i would like. Fully avoided therefore, the main goal of this thesis is to validate the assumption that ontologies help im- prove information retrieval effectiveness special attention is given to the issue of imperfection in ontologies and semantic metadata it is important to address this issue because, as classical ir research on thesauri (ie,. Krishna nitin tenali page 1 semantic similarity based information retrieval as applied to moocs a thesis presented to the faculty of the department of computer science san josé state university in partial fulfillment of the requirements for the degree master of science by krishna nitin tenali. Hiemstra, djoerd using language models for information retrieval d hiemstra - enschede: neslia paniculata -i11 thesis enschede - with ref - with summary isbn 90-75296-05-3 issn 1381-3617 no 01-32 (ctit phd thesis series) subject headings: information retrieval, natural language processing.
Information retrieval using lucene and wordnet a thesis presented to the graduate faculty of the university of akron in partial fulfillment of the requirements for the degree master of science jhon whissel december, 2009. You need to know what information will be of help during the project, and writing while searching will clarify one's thoughts we also look at online writing tools, for example, blogs, and discuss their purposes in enabling the student to write a good thesis – combining information retrieval with the writing process by solveig. Sorry in advance for a pretty short answer) one whole domain worth exploring is the medical literature there are a lot of potential applications here one would be to work on improving drug surveillance algorithms that are used to detect un. Given the growing number of shared tasks in the domain of clinical naturallanguage processing (nlp), this thesis investigates how best to integrate clinicalnlp technologies into a clinical information retrieval workflow in orderto enhance the search engine experience of healthcare professionals.
Performance prediction has been studied in the context of search engines in the information retrieval field, but there is little research of this problem in the recommendation domain this thesis investigates the definition and formalisation of performance prediction methods for recommender systems specifically, we study. Applying social network analysis to information retrieval on the world wide web: a case study of academic publication space dissertation of the university of st gallen graduate school of business administration economics , law and social sciences (hsg) to obtain the title of doctor oeconomiae submitted by.
Univer ity of a coru a department of computaci n phd thesis logical model of information retrieval based on propositional logic and belief revision david enrique losada carril april 2001. Preface publications arising from this thesis the measurement methodology for timings, proposed as part of chapter 3, was presented at the 31st european conference on information retrieval (ecir 2009) [pohl and moffat 2009] chapter 4 was presented in condensed form at the 33rd australasian computer science.
Statistical machine learning for information retrieval adam berger april, 2001 cmu-cs-01-110 school of computer science carnegie mellon university pittsburgh, pa 15213 submitted in partial fulfillment of the requirements for the degree of doctor of philosophy thesis committee: john lafferty, chair jamie callan. Information retrieval this thesis examines the use of approximate string matching methods for handling the string level variation occurring in alphabetic languages an approximate string matching technique called classified s-gram matching is used for query translation and expansion in cross-lingual and. In this diploma thesis, we research whether the inclusion of information about an in- formation user's social environment and his position in the social network of his peers leads to an improval in search effectiveness traditional information retrieval methods fail to address the fact that information pro. Theses of phd dissertation new methods in web information retrieval effectiveness adrienn skrop supervisor: dr sándor dominich university of pannonia faculty of information technology information science and technology phd school 2006.
Feature generation for textual information retrieval using world knowledge research thesis submitted in partial fulfillment of the requirements for the degree of doctor of philosophy evgeniy gabrilovich submitted to the senate. The amount of information stored digitally in organizations, or collectively on the web, is today large enough to make searching this information a generally complicated task the field known as information retrieval finds methods to organize information in such a way that finding information afterwards can be done simply.