Table of Contents

Preface

Contents of this Guide
Conventions Used in this Guide

Chapter 1 Overview

Evidence Operators
Proximity Operators
Relational Operators
Concept Operators
Modifiers
Advanced Operators
Topics

Chapter 2 Elements of Query Expressions

Overview
Simple Queries
Operator/Modifier Names
Topic Names
Automatic Case-Sensitive Searches
Auto-match Phrase to Topic Name
Explicit Queries
Syntax Options
Using Shorthand Notation
Specifying Topic Names Explicitly
Assigning Importance (Weights) to Search Terms
Searching Fields for Null Values
Precedence Evaluation
Precedence Rules
Parentheses in Expressions
Prefix and Infix Notation
Delimiters in Expressions
Angle Brackets for Operators
Braces in Expressions
Double Quotes for Reserved Words
Special Characters
Characters with Special Meaning
Punctuation in Queries
Qualify Instance Queries

Chapter 3 Operators

Operators for Searching Full Text
ACCRUE
ALL
AND
ANY
IN
WHEN
NEAR
NEAR/N
OR
PARAGRAPH
PHRASE
SENTENCE
SOUNDEX
STEM
THESAURUS
TYPO/N
WILDCARD
WORD
Operators for Searching Text Fields
CONTAINS
ENDS
MATCHES
STARTS
SUBSTRING
Operators for Searching Numeric Fields
= (Equals)
!= (Not Equals)
> (Greater Than)
>= (Greater Than Or Equal To)
< (Less Than)
<= (Less Than Or Equal To)

Chapter 4 Modifiers

CASE
MANY
NOT
ORDER

Chapter 5 Advanced Query Language

Score Operators
YESNO
PRODUCT
SUM
COMPLEMENT
Natural Language Operators
FREETEXT
LIKE
Syntax
Special Characters in VdkVgwKey Fields
VdkVgwKey Fields on Windows Systems
Examples of LIKE Expressions
Efficiency Considerations

Appendix A Query Parsers

Simple Queries
Words and Phrases Separated by Commas
Case-sensitivity
How to Search Hyperlink Contents
Simple Query Parser
Query-By-Example (QBE) Parser
Internet-style Parser
Expanded Queries
Including and Excluding Search Terms
BooleanPlus Parser

Appendix B Topic Set Limits

Search Time Limits
Operator Limits




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