Sökning: "Information retrieval IR"

Visar resultat 16 - 20 av 22 uppsatser innehållade orden Information retrieval IR.

1. 16. Passage Retrieval en studie av index

   Magister-uppsats, Högskolan i Borås/Institutionen Biblioteks- och informationsvetenskap / Bibliotekshögskolan

   Författare :Lars Björklund; Linda Bäckman; [2005]
   Nyckelord :library and information science; biblioteks- och informationsvetenskap;

   Sammanfattning : The aim with this thesis came out of a strong interest for Passage Retrieval. Our intention has not been to evaluate an IR-system. Instead our goal has been to analyze the result of indexing documents and their passages. LÄS MER

3. 17. Weblogindex : En studie av weblogindex utifrån Lancasters processmodell över traditionell indexering.

   Magister-uppsats, Högskolan i Borås/Institutionen Biblioteks- och informationsvetenskap / Bibliotekshögskolan

   Författare :Emelie Janson; Emili Jensen; [2005]
   Nyckelord :library and information science; biblioteks- och informationsvetenskap;

   Sammanfattning : Many new electronic publication systems have arisen in the past few years, one of them is the weblog. In 1999 there were 23 weblogs, today there are millions thus a need for organisation has appeared, both special metadata and subject indexes have been invented and created. LÄS MER

4. 18. Lexikonbaserad Cross-Language Information Retrival : Utvärdering av queryeffektivitet

   Magister-uppsats, Högskolan i Borås/Institutionen Biblioteks- och informationsvetenskap / Bibliotekshögskolan

   Författare :Fanglan Chen; Taissia Goriounova; [2005]
   Nyckelord :library and information science; biblioteks- och informationsvetenskap;

   Sammanfattning : This thesis discusses main problems associated with dictionary-based Cross-Language Information Retrieval as lexical and translational ambiguity of query terms, translation of compounds and phrases, dictionary limitation. The purpose of the study is to investigate how query structure influences the effectiveness of CLIR regarding performance of three query types: original query, unstructured query and structured query. LÄS MER

5. 19. Barnbibliotekariers förmedlingsarbete med lättläst barnlitteratur

   Magister-uppsats, Högskolan i Borås/Institutionen Biblioteks- och informationsvetenskap / Bibliotekshögskolan

   Författare :Anne Myllylä; Ragnhild Näslund; [2004]
   Nyckelord :library and information science; biblioteks- och informationsvetenskap;

   Sammanfattning : The purpose for this Masters thesis is to describe childrens librarians work in supplying literature to children with emphasis on easy-reader materials. Our main questions are: · What do librarians believe characterizes an easy-reader book, and what do they base their decision on when classifying a book as easy-to-read? · How have the libraries in our study solved the hands-on difficulties associated with easy readers childrens literature? · Which factors do librarians consider to be important when supplying literature to children that are not used to reading or are not good readers? The theories we have used are Aidan Chambers Reading Circle and Karner Smidts view on the librarians professional roles when supplying literature. LÄS MER

7. 20. Den interaktiva IR-forskningens genomslag i söktjänsterna på webben

   Magister-uppsats, Lunds universitet/Avdelningen för ABM, digitala kulturer samt förlags- och bokmarknadskunskap

   Författare :Magnus Mattisson; Kerstin Rincon; [2004]
   Nyckelord :informationsåtervinning; söktjänster; datorbaserad informationssökning - bibliotek; Documentation; information; library science; archivistics; Arkiv- och bibliotekskunskap; dokumentation; Social Sciences;

   Sammanfattning : The theoretical focus in this master is information retrieval (IR), and especially the part of IR that includes interactivity. This research is by some researchers called IIR. Our principal aim was to examine if search engines on the WWW are taking advantage of research results from IIR research. LÄS MER