Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (2005)
0.00
0.0037160232 = product of:
0.022296138 = sum of:
0.022296138 = product of:
0.044592276 = sum of:
0.044592276 = weight(_text_:thesaurus in 7) [ClassicSimilarity], result of:
0.044592276 = score(doc=7,freq=2.0), product of:
0.21834905 = queryWeight, product of:
4.6210785 = idf(docFreq=1182, maxDocs=44218)
0.04725067 = queryNorm
0.20422474 = fieldWeight in 7, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.6210785 = idf(docFreq=1182, maxDocs=44218)
0.03125 = fieldNorm(doc=7)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- 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
