Abstract
We show how to detect and represent Web deltas, i.e., changes in Web information, that are relevant to a user's query in the context of our Web warehousing system called WHOWEDA (Warehouse of Web Data). In WHOWEDA, Web information are materialized views stored in Web tables and can be manipulated and analyzed using a set of Web algebraic operators. We present a mechanism to detect relevant Web deltas using Web join and outer Web join. We show how to represent these changes using delta Web tables.
| Original language | American English |
|---|---|
| Journal | Proceedings of the 20th International Conference on Distributed Computing Systems, 2000 |
| DOIs | |
| State | Published - Jan 1 2000 |
Keywords
- Data Warehouses
- Delta Web Tables
- Information Resources
- Information Retrieval
- Internet
- Materialized Views
- Outer Web Join
- Query Processing
- WHOWEDA
- Web Algebraic Operators
- Web Deltas
- Web Join
- Web Warehousing System
Disciplines
- Computer Sciences
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