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  • × language_ss:"e"
  • × subject_ss:"Web search engines"
  • × theme_ss:"Suchmaschinen"
  1. Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (2005) 0.00
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    Content
    Inhalt: Introduction Document File Preparation - Manual Indexing - Information Extraction - Vector Space Modeling - Matrix Decompositions - Query Representations - Ranking and Relevance Feedback - Searching by Link Structure - User Interface - Book Format Document File Preparation Document Purification and Analysis - Text Formatting - Validation - Manual Indexing - Automatic Indexing - Item Normalization - Inverted File Structures - Document File - Dictionary List - Inversion List - Other File Structures Vector Space Models Construction - Term-by-Document Matrices - Simple Query Matching - Design Issues - Term Weighting - Sparse Matrix Storage - Low-Rank Approximations Matrix Decompositions QR Factorization - Singular Value Decomposition - Low-Rank Approximations - Query Matching - Software - Semidiscrete Decomposition - Updating Techniques Query Management Query Binding - Types of Queries - Boolean Queries - Natural Language Queries - Thesaurus Queries - Fuzzy Queries - Term Searches - Probabilistic Queries Ranking and Relevance Feedback Performance Evaluation - Precision - Recall - Average Precision - Genetic Algorithms - Relevance Feedback Searching by Link Structure HITS Method - HITS Implementation - HITS Summary - PageRank Method - PageRank Adjustments - PageRank Implementation - PageRank Summary User Interface Considerations General Guidelines - Search Engine Interfaces - Form Fill-in - Display Considerations - Progress Indication - No Penalties for Error - Results - Test and Retest - Final Considerations Further Reading
  2. Libraries and Google (2005) 0.00
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    Content
    Introduction: Libraries and Their Interrelationships with Google - William Miller Disruptive Beneficence: The Google Print Program and the Future of Libraries - Mark Sandler The Google Library Project at Oxford - Ronald Milne The (Uncertain) Future of Libraries in a Google World: Sounding an Alarm - Rick Anderson A Gaggle of Googles: Limitations and Defects of Electronic Access as Panacea - -Mark Y. Herring Using the Google Search Appliance for Federated Searching: A Case Study - Mary Taylor Google's Print and Scholar Initiatives: The Value of and Impact on Libraries and Information Services - Robert J. Lackie Google Scholar vs. Library Scholar: Testing the Performance of Schoogle - Burton Callicott; Debbie Vaughn Google, the Invisible Web, and Librarians: Slaying the Research Goliath - Francine Egger-Sider; Jane Devine Choices in the Paradigm Shift: Where Next for Libraries? - Shelley E. Phipps; Krisellen Maloney Calling the Scholars Home: Google Scholar as a Tool for Rediscovering the Academic Library - Maurice C. York Checking Under the Hood: Evaluating Google Scholar for Reference Use - Janice Adlington; Chris Benda Running with the Devil: Accessing Library-Licensed Full Text Holdings Through Google Scholar - Rebecca Donlan; Rachel Cooke Directing Students to New Information Types: A New Role for Google in Literature Searches? - Mike Thelwall Evaluating Google Scholar as a Tool for Information Literacy Rachael Cathcart - Amanda Roberts Optimising Publications for Google Users - Alan Dawson Google and Privacy - Paul S. Piper Image: Google's Most Important Product - Ron Force Keeping Up with Google: Resources and Strategies for Staying Ahead of the Pack - Michael J. Krasulski; Steven J. Bell