On information need and categorizing search / Sven Meyer zu Eißen. 2007
Inhalt
- Notation
- Introduction
- Document Representation and Retrieval
- The Information Retrieval Process
- Document Representation
- Techniques for Information Need Satisfaction
- Information Need and Categorizing Search
- Supervised vs. Unsupervised Categorization
- The Cluster Hypothesis
- Clustering Documents
- On the Validity of Document Clusterings
- External Cluster Validity Measures
- Internal Cluster Validity Measures
- Statistical Hypothesis Testing
- Experimental Evaluation
- Concluding Remarks
- The Suffix Tree Document Representation
- Suffix Trees
- A Closer Look to the Suffix Tree Document Model
- Experimental Evaluation
- Concluding Remarks
- Topic Identification
- Formal Framework
- Related Work
- The WCC Algorithm for Topic Identification
- Experimental Evaluation
- Concluding Remarks
- Genre Classification
- Tira: A Software Architecture for Personal IR
- From IR Theory to IR Software
- Specification of IR Processes
- Operationalizing IR Processes with Tira
- Concluding Remarks
- Conclusion and Outlook