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Use DIALINDEX to Conduct a Comprehensive Search on a Particular Subject?
TOPIC: Dialog offers two multiple file search options: DIALINDEX® (File 411) and OneSearch®. DIALINDEX is an index to most of the databases on Dialog. You can search two or more individual databases by file number or subject categories or both. OneSearch allows you to search more than one database at a time. As a first step in engineering research, use DIALINDEX to scan databases in engineering categories. This will identify the Dialog databases that contain the most information on the subject you are researching. Then use OneSearch to conduct a comprehensive search in those files. In OneSearch, you can search up to 60 databases.
In this example we'll search the Engineering category (ENG) for information on nanoworms.
COMMAND SUMMARY
BEGIN 411
Type the database(s) and/or categories in the Set Files box: ENG
Type NANOWORM? in the Select box and click Run Search
Rank the files by clicking the Hits Header twice
Check the database(s) you want to search and click Begin Hits
REMOVE DUPLICATES
TYPE S2/8/1 FROM EACH
Click Links > Display > Type Full Record
HOW TO...
1. BEGIN File 411, DIALINDEX, to scan a group of databases for your search terms.
2. When the pop-up box displays, enter the file numbers or categories you want to scan.
3. Enter your search term(s). Remember they must be entered in one search statement because no sets are created in DIALINDEX. Then click the Run Search button. |
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4. A list of databases with the number of records containing your search term(s) displays in file number order.
5. To reorder the databases, with the file with the most records at the top of the list, click "Hits" twice. |
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6. A reordered list displays. The "Hits" column shows the number of records in each database.
Check the databases you want to search and click Begin Hits to run the search in the databases. |
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7. The search is run in the database(s) selected and a set (S1) created.
8. REMOVE DUPLICATES when searching more than one database. |
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9. TYPE a few records to review their accuracy using Format 8. Use FROM EACH at the end of the TYPE command to see a record from each file.
Notice your search terms in the title and identifiers.
Note: Some records are omittied from this display.
10. To see a complete record, click Links at the top of a record > Display > Type Full Record.
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| The full record displays in File 34, including an informative abstract. |
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RELATED HOW DO I...? SOLUTIONS
NEED HELP?
Contact the Dialog Knowledge Center
Within North America +1 800 3 DIALOG (334 2564)
Outside North America 00 800 33 DIALOG (33 34 2564)
Web Form www.dialog.com/contacts/webform
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