7.1.1.1. What is Web Search?
Providing access to heterogeneous, distributed information that is publicly available on the World Wide Web
7.1.1.2. Web Search Engine Definitions
A search engine is a program designed to help find information stored on a computer system such as the World Wide Web, inside a coporate or proprietary network or a personal computer.
7.1.1.3. Basic Web Search Internals
7.1.1.3.1. Web Search Engine Elements
- Spider/Clawer
- Indexer
- Query Processor
7.1.1.4. Most Dynamic Content is Missed
deep web refers to content missed by search engine crawlers
7.1.1.5. The User
7.1.1.5.1. The User Diverse in
- backgroud/training
- access methodology
- search methodology
7.1.1.5.2. User's Information Needs are diverse
- Informational
- Navigational
- Transactional
- Gray areas
7.1.1.5.3. User's Evaluation of Engines
- Relevance and Validity of results
- User Interface
- Trust
- Post-process
7.1.1.6. Query Processing is Now Extremely Clever
- Person Query
- Place Query
- Hotel Query