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Webmining (1)
- 1. Web Mining and Text Mining
- 2. Web Mining Low precision Low Recall Discovering new knowledge from the web Personalised web page synthesis Learning about individual users
- 5. Web Content Mining Web page Content Mining Search Result Mining
- 6. Web Structure Mining 1. Page Rank i. PageRank Algorithm ii. Standing of a Node 2. Traversing and Intrinsic Links 3. Reference Nodes and Index Nodes i. Index nodes ii. Reference Nodes 4. Clustering and Determining Similar pages i. Bibliographic Coupling Bibliographic coupling occurs when two works reference a common third work in their bibliographies. ii. Co-citation Co-citation is defined as the frequency with which two documents are cited together by other documents. [1] If at least one other document cites two documents in common these documents are said to be co-cited.
- 8. Web Usage Mining General Access Pattern Tracking Customized Usage Tracking
- 9. Text Mining Information Retrieval Information Extraction Computational Linguistics
- 11. Unstructured Text ● Features ○ Word Occurrences ○ Stop Words ○ Latent Semantic Indexing ○ Stemming ○ n-GRAM ○ POS (Part-of-Speech) ○ Positional Collocations ○ Higher Order Features
- 12. n-Gram
- 13. Episode Rule Discovery for Texts Hierarchy of Categories Text Clustering ● Scatter/Gather