Help on the SEARCH HISTORY page

Introduction

Purpose of the SEARCH HISTORY page is to let users re-adjust their search strategies based on the outcome they have had in search history. By using Boolean operators and search job (set) numbers, users can refine the search output until they obtain satisfactory results.

How to use the SEARCH HISTORY page

1. Select related set (job) numbers in the search job list at lower part of the page, and add into the query box.
2. Specify the relationships of the selected set number(s) of search jobs in history, by using Boolean operators (OR/AND/NOT) .
3. If a complicated relationship is found, parentheses can be used to further describe the relationship of various set (job) numbers.
4. Submit the search request by clicking the submit button. System will return the result of new search. When you enter HISTORY page again, number of this new search job (set) will appear at the set (job) list, together with its search expression and number of hit documents.
5. If mistakes are found in search expression query box, you can click the button"Reset " to erase or remove the contents from query box.

Note:
1. This function will be initiated only after users have submitted and executed search request.
2. In the absence of parentheses, all operations will be executed in sequence from left to right.