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EDRM Search Guide

This entry is part of a series, EDRM Search Guide»

EDRM Search Guide, version 1.17

Table of Contents

1. Overview
2. Goals of this Guide
3. Audience for this Guide
3.1. Attorneys and Judges
3.2. Corporate In-House Counsel
3.3. Litigation Support Professionals and Paralegals
3.4. Litigation Service and Software Providers
4. Search Framework
4.1. Define the Search
4.2. Plan and Structure the Search
4.3. Execute the Search
4.4. Validate the Search
4.5. Report
5. Searches During EDRM Workflow Steps
5.1. Brief Background
5.2. “Early” Early Case Assessment
5.3. More Traditional Early Case Assessment
5.4. Preparations for Lawsuit
5.5. Preparations for Meet-and-Confer
5.5.A. Preparing For the Rule 26(f) Meet And Confer
5.5.A.(i). Alpha
5.5.A.(ii). Beta
5.5.B. The Rule 26(f) Meet And Confer
5.6. Requests & Responses
Use Case Scenario – Actors
6. Search Methodologies
6.1. Keyword Search
6.1.1. Guidelines
6.1.2. Normal Parameters
6.1.3. Assumed Parameters
6.1.4. Phrase Search
6.1.5. Wildcard Specifications
6.1.6. Truncation Specification
6.1.7. Stemming Specifications
6.1.8. Fuzzy Search
6.1.9. Errors to Avoid
6.2. Boolean Search
6.2.1. Errors to Avoid
6.2.1.1. Evaluation Ambiguity
6.2.1.2. Effect of Document Segments
6.2.1.3. Evaluation Order
6.2.1.4. Boolean Operators as Keywords
6.3. Grouping
6.4. Synonym Search
6.5. Related Words Search
6.6. Concept Search
6.6.1. Latent Semantic Indexing
6.6.2. Text Clustering
6.6.3. Bayesian Classifier
6.6.4. Concept Search Specification
6.7. Occurrence Count
6.7.1. Diacritic Specification
6.8. Searching for Parameters
6.8.1. Searching within a Date Range
6.8.2. Searching for Metadata
6.8.3. Searching for Custodian
6.8.4. Searching for Tags
7. Search Engines and Searching Considerations
7.1. Search Engines
7.1.1. Search
7.1.2. Fielded Search (Searching Metadata)
7.1.3. SQL and Other Query Languages
7.1.3.1. What is SQL?
7.1.4. Indexing
7.1.4.1. Term Selection
7.1.4.2. Additional Indexing Customization
7.1.5. Streaming Text
7.1.6. Data Type Specifications
7.2. Language and Content
7.2.1. Character Encoding Specification
7.3. Specifying Case
7.3.1. Language Specification
7.3.2. Tokenization Specification
7.3.2.1. Special Cases with Tokenization
1. The Hyphen (-) Character
2. Chinese, Japanese, and Korean (collectively CJK) Languages
3. German
4. Diacritical Marks
7.4. Document Segments and Segment Scope Specification
8. Documenting Search Results
8.1. Results Overview
8.1.1. Overall Corpus Counts
8.1.2. Corpus Breakdown
8.1.3. Loading States and Batches
8.1.4. Search Query Recording
8.1.5. Overall Search Results Meta-Data
8.1.6. Document-Level Search Results
8.1.7. Hit-Level Results
8.1.8. Keyword Occurrence Counts
8.1.9. Language, Script and Encoding
8.1.10. Search Accuracy Measures
8.1.11. Search Performance Measures
9. Validation of Results
9.1. Search Results Descriptions
9.2. Validation Methodologies
9.2.1. Frequency Analysis
9.2.2. Dropped Item Validation
9.2.3. Non Hit Validation
9.2.4. Review Feedback Validation
9.3. Effectiveness Benchmark for Searches
9.4. Search Accuracy: Precision and Recall
9.4.1. Determining Precision
9.4.2. Determining Recall
9.4.3. Iterative Searching
9.5. Sampling and Quality Control Methodology for Searches
Appendix 1: Meta-Data Name Specifications
Appendix 2: Application of Sampling to E-Discovery Search Result Evaluation
A2.1. Sample Selection
A2.2. Sampling Pitfalls
A2.2.1 Measurement Bias
A2.2.2 Coverage Bias
A2.2.3 Non-Response Bias
A2.2.4 Response Bias
A2.2.5 Sampling Time Relevance
A2.2.6 Sampling Continuous Stream
Search Guide Glossary
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