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Details
Table of Contents
Intro
Preface
Contents
1: Introduction
1.1 The Importance of Search Engines
1.2 A Book About Google?
1.3 Objective of This Book
1.4 Talking About Search Engines
1.5 Structure of This Book
1.6 Structure of the Chapters and Markings in the Text
1.7 Summary
References
2: Ways of Searching the Web
2.1 Searching for a Website vs. Searching for Information on a Topic
Is Searching the Web Like Looking for a Needle in a Haystack?
2.2 What Is a Document?
2.3 Where Do People Search?
2.4 Different Pathways to Information on the World Wide Web
2.4.1 Search Engines
The Concept of the Algorithmic Search Engine in the 1990s
2.4.2 Vertical Search Engines
Examples of Vertical Search Engines
2.4.3 Metasearch Engines
2.4.4 Web Directories
2.4.5 Social Bookmarking Sites
2.4.6 Question-Answering Sites
2.4.7 Social Networking Sites
2.5 Summary
Further Reading
References
3: How Search Engines Capture and Process Content from the Web
Is YouTube a Search Engine?
Why Do Search Engines Only Search a Copy of the Web and Not the Web Itself?
3.1 The World Wide Web and How Search Engines Acquire Its Contents
Which Pages of a Blog Are Documents?
3.2 Content Acquisition
3.3 Web Crawling: Finding Documents on the Web
What Information Can a Crawler ``See?́́
When Was the Last Time a Search Engine Visited a Document?
3.3.1 Guiding and Excluding Search Engines
3.3.2 Content Exclusion by Search Engine Providers
3.3.3 Building the Database and Crawling for Vertical Collections
3.4 The Indexer: Preprocessing Documents for Searching
3.4.1 Indexing Images, Audio, and Video Files
3.4.2 The Representation of Web Documents in Search Engines
How Can Information from the Anchor Texts Help with Searching?
3.5 The Searcher: Understanding Queries
3.6 Summary
Further Reading
References
4: User Interaction with Search Engines
4.1 The Search Process
4.2 Collecting Usage Data
4.3 Query Types
4.4 Sessions
4.5 Queries
4.5.1 Entering Queries
4.5.2 Autocomplete Suggestions
4.5.3 Query Formulation
4.5.4 Query Length
4.5.5 Distribution of Queries by Frequency
How Often Are Particular Queries Made?
4.5.6 Query Trends
4.5.7 Using Operators and Commands for Specific Searches
4.6 Search Topics
4.7 Summary
Further Reading
References
5: Ranking Search Results
What Should Be Counted as a Ranking Factor?
5.1 Groups of Ranking Factors
5.2 Text Statistics
5.2.1 Identifying Potentially Relevant Documents
5.2.2 Calculating Frequencies
5.2.3 Considering the Structural Elements of Documents
5.3 Popularity
5.3.1 Link-Based Rankings
5.3.1.1 PageRank
5.3.1.2 Development of Link-Based Rankings
5.3.2 Usage Statistics
5.3.2.1 Analyzing Clicks on Search Engine Result Pages
5.3.2.2 Collecting Data for Usage Statistics
Preface
Contents
1: Introduction
1.1 The Importance of Search Engines
1.2 A Book About Google?
1.3 Objective of This Book
1.4 Talking About Search Engines
1.5 Structure of This Book
1.6 Structure of the Chapters and Markings in the Text
1.7 Summary
References
2: Ways of Searching the Web
2.1 Searching for a Website vs. Searching for Information on a Topic
Is Searching the Web Like Looking for a Needle in a Haystack?
2.2 What Is a Document?
2.3 Where Do People Search?
2.4 Different Pathways to Information on the World Wide Web
2.4.1 Search Engines
The Concept of the Algorithmic Search Engine in the 1990s
2.4.2 Vertical Search Engines
Examples of Vertical Search Engines
2.4.3 Metasearch Engines
2.4.4 Web Directories
2.4.5 Social Bookmarking Sites
2.4.6 Question-Answering Sites
2.4.7 Social Networking Sites
2.5 Summary
Further Reading
References
3: How Search Engines Capture and Process Content from the Web
Is YouTube a Search Engine?
Why Do Search Engines Only Search a Copy of the Web and Not the Web Itself?
3.1 The World Wide Web and How Search Engines Acquire Its Contents
Which Pages of a Blog Are Documents?
3.2 Content Acquisition
3.3 Web Crawling: Finding Documents on the Web
What Information Can a Crawler ``See?́́
When Was the Last Time a Search Engine Visited a Document?
3.3.1 Guiding and Excluding Search Engines
3.3.2 Content Exclusion by Search Engine Providers
3.3.3 Building the Database and Crawling for Vertical Collections
3.4 The Indexer: Preprocessing Documents for Searching
3.4.1 Indexing Images, Audio, and Video Files
3.4.2 The Representation of Web Documents in Search Engines
How Can Information from the Anchor Texts Help with Searching?
3.5 The Searcher: Understanding Queries
3.6 Summary
Further Reading
References
4: User Interaction with Search Engines
4.1 The Search Process
4.2 Collecting Usage Data
4.3 Query Types
4.4 Sessions
4.5 Queries
4.5.1 Entering Queries
4.5.2 Autocomplete Suggestions
4.5.3 Query Formulation
4.5.4 Query Length
4.5.5 Distribution of Queries by Frequency
How Often Are Particular Queries Made?
4.5.6 Query Trends
4.5.7 Using Operators and Commands for Specific Searches
4.6 Search Topics
4.7 Summary
Further Reading
References
5: Ranking Search Results
What Should Be Counted as a Ranking Factor?
5.1 Groups of Ranking Factors
5.2 Text Statistics
5.2.1 Identifying Potentially Relevant Documents
5.2.2 Calculating Frequencies
5.2.3 Considering the Structural Elements of Documents
5.3 Popularity
5.3.1 Link-Based Rankings
5.3.1.1 PageRank
5.3.1.2 Development of Link-Based Rankings
5.3.2 Usage Statistics
5.3.2.1 Analyzing Clicks on Search Engine Result Pages
5.3.2.2 Collecting Data for Usage Statistics