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Find the Most Effective Search Terms Using Rank in PASCAL?
TOPIC: Produced by the Institut de l'Information Scientifique et Technique (INIST) of the French National Research Council (CNRS), PASCAL (File 144) provides access to the world's scientific and technical literature and includes about 450,000 new citations per year. Available on Dialog since 1973, PASCAL corresponds to the print publication Bibliographie internationale (previously Bulletin signaletique).
The key to targeted searching in PASCAL lies in a combination of keyword searching and using a Dialog specialized command to ferret out appropriate English-language descriptors. Most current records contain English (ED), French (FD) and Spanish (SD) descriptor fields. Searching with /DE retrieves descriptors in any language. However, you can use English-language descriptors by searching in the /ED field. Descriptors are indexed as individual words that you search using proximity connectors or as phrases (e.g., SELECT ULTRASONIC IMAGING/ED).
Likewise, titles of the original documents and any translations of the titles appear in the Title (/TI) field. Titles of documents originally published in English are indexed in the English Title (/ET) field. Most records include an English translation of the original title. Except for stop words, all words in the English Title field are searchable as single words using proximity operators with the /ET suffix.
Related databases include Inspec® (File 2), BioEngineering Abstracts (File 136*), SciSearch®: A Cited Reference Science Database (File 34) and Ei Compendex® (File 8).
In this example you will use keyword terms from the English descriptor and title fields; then you will use the RANK command to pinpoint effective English indexed terms for a search on robotic surgery used on cardiac patients.
*Subscriber access.
COMMAND SUMMARY
BEGIN 144
SELECT ROBOT?/ED,ET AND SURGER?/ED,ET
SELECT S1 AND (CARDI? OR HEART? OR AORT? OR VENTRIC? OR CORONARY)/ED,ET
RANK DE CONT
Follow the RANK menu
EXS
SELECT S3 AND S4
DISPLAY SETS
SELECT S2 OR S6
SELECT S7/ENG,2006:2008
TYPE S8/8/1-3
TYPE S8/7/1
HOW TO...

1. BEGIN File 144 to search PASCAL.
2. SELECT terms for the first concept in the English Descriptor (/ED) and the English Title (/ET) fields. The comma acts as OR.
3. SELECT the second concept in the same fields and combine with Search set 1 (S1). |

?b 144
File 144:Pascal 1973-2008/Jul W4
(c) 2008 INIST/CNRS
Set Items Description
--- ----- -----------
?select robot?/ed,et and surger?/ed,et
37006 ROBOT?/ED,ET
441561 SURGER?/ED,ET
S1 952 ROBOT?/ED,ET AND SURGER?/ED,ET
?select s1 and (cardi? or heart? or aort? or ventric? or coronary)/ed,et
952 S1
268705 CARDI?/ED,ET
256796 HEART?/ED,ET
59834 AORT?/ED,ET
70718 VENTRIC?/ED,ET
94402 CORONARY/ED,ET
S2 89 S1 AND (CARDI? OR HEART? OR AORT? OR VENTRIC? OR CORONARY)/ED,ET
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4. RANK the descriptor field. The RANK command performs statistical analysis on retrieved records.
In this case, we want to know which descriptor terms appeared most in the 89 records in Set 2. We also want to gain insight on ways to structure the search.
5. Follow the RANK menu.
Enter a title for the RANKed list and press Enter to see the highest-ranking 50 terms.
Note the Rank Number, the Items (number of records) and the Terms.
Enter the line number(s) of the terms you wish to save. Dialog will create a temporary SearchSave and store the terms you indicated. The highest 8 terms reappear, followed by instructions on what to do next.
Enter EXIT to leave RANK.
Confirm that you wish to exit RANK. |

?.rank de cont
Started processing RANK
Completed Ranking 89 records
Press ENTER to view the TOP 50 terms
or enter a number N to view the top N terms
or >N to view terms with more than N items
or enter ALL to view all terms
Enter title for continuous output or press ENTER for current title option
?. descriptor terms for robotic heart surgery
Adding title to results...
DESCRIPTOR TERMS FOR ROBOTIC HEART SURGERY
------------------------------------------
RANK: S3/1-89 Field: /DE File(s): 144
(Rank fields found in 89 records -- 954 unique terms)
RANK No. Items Term
-------- ----- ----
1 66 CHIRURGIE
2 66 CIRUGIA
3 66 SURGERY
4 59 ROBOTICS
5 59 ROBOTIQUE
6 55 ROBOTICA
7 49 TRAITEMENT
8 49 TRATAMIENTO
9 49 TREATMENT
10 39 APARATO CIRCULATORIO PATOLOGIA
11 39 CARDIOVASCULAR DISEASE
12 38 APPAREIL CIRCULATOIRE PATHOLOGIE
. . . .
31 18 CORONARY HEART DISEASE
32 14 AORTOCORONAIRE
33 14 AORTOCORONARIA
34 14 AORTOCORONARY
35 13 GRAFT
36 13 GREFFE
37 13 INJERTO
38 13 ROBOT
. . . .
P = next page Pn = Jump to page n
P- = previous page M = More Options Exit = Leave RANK
To view records from RANK, enter VIEW followed by RANK number,
format, and item(s) to display, e.g., VIEW 2/9/ALL.
Enter desired option(s) or enter RANK number(s) to save terms.
?. 4,11
RANK numbers saved: 4,11
DESCRIPTOR TERMS FOR ROBOTIC HEART SURGERY
------------------------------------------
RANK: S3/1-89 Field: /DE File(s): 144
(Rank fields found in 89 records -- 954 unique terms)
Page 1 of 120
RANK No. Items Term
-------- ----- ----
1 66 CHIRURGIE
2 66 CIRUGIA
3 66 SURGERY
4 59 ROBOTICS
5 59 ROBOTIQUE
6 55 ROBOTICA
7 49 TRAITEMENT
8 49 TRATAMIENTO
P = next page Pn = Jump to page n
P- = previous page M = More Options Exit = Leave RANK
To view records from RANK, enter VIEW followed by RANK number,
format, and item(s) to display, e.g., VIEW 2/9/ALL.
Enter desired option(s) or enter RANK number(s) to save terms.
?.exit
RANK results will be erased; have you saved all the terms
of interest?
(YES/NO)
?y |

6. EXECUTE the temporary SearchSave created by Dialog in the RANK command.
7. SELECT from the newly created sets. In this case we want records to contain both “robotics” AND “cardiovascular disease” as descriptor terms.
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Temp SearchSave "TD627" stored
Creating temporary SearchSave ... TD627
Enter EXS to execute the SearchSave
?exs
Executing TD627
S3 23031 "ROBOTICS"/DE
S4 516458 "CARDIOVASCULAR DISEASE"/DE
S5 539418 S3:S4
?s s3 and s4
23031 S3
516458 S4
S6 71 S3 AND S4 |
8. DISPLAY SETS (DS) to review your search history.
9. To ensure including “heart” words along with the indexed terms robotics and cardiovascular disease, OR the keyword set with the descriptors set.
10. Use database LIMIT options to restrict retrieval to original documents in English and a publication year range. The colon ORs the years in the range. This is an optional step. |
?ds
Set Items Description
S1 952 ROBOT?/ED,ET AND SURGER?/ED,ET
S2 89 S1 AND (CARDI? OR HEART? OR AORT? OR VENTRIC?
OR CORONARY)-/ED,ET
S3 23031 "ROBOTICS"/DE
S4 516458 "CARDIOVASCULAR DISEASE"/DE
S5 539418 S4:S5
S6 71 S3 AND S4
?s s2 or s6 89 S2 71 S6 S7 135 S2 OR S6
?s s7/eng,2006:2008
125 S7/ENG
1121797 PY=2006 : PY=2008
S8 42 S7/ENG,2006:2008
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11. TYPE a few records in Format 8 to browse titles and descriptors and check for relevancy.
To select the appropriate record number, look at the range of records in the TYPE command (e.g., 8/8/2).
Notice that in addition to English Descriptors PASCAL indexes Broad Descriptors (/BT). Cardiovascular disease is a Broad Descriptor term. That is why it is important to combine keywords with indexed terminology in PASCAL.
Note: Some records are omitted from this display. |
?t s8/8/1-3
8/8/1
DIALOG(R)File 144: Pascal
(c) 2008 INIST/CNRS. All rights reserved.
18724883 PASCAL No.: 08-0322006
Atrial Fibrillation Ablation Using a Robotic Catheter Remote Control System : Initial Human Experience and Long-Term
Follow-Up Results.
Commentary 2008
English Descriptors: Atrial fibrillation; Ablation; Robotics;
Catheter; Control system; Human; Prognosis; Long term; Follow up
study; Circulatory system; Cardiology
Broad Descriptors: Cardiovascular disease; Heart disease;
Excitability disorder; Arrhythmia; Pathologie de l'appareil
circulatoire; Cardiopathie; Trouble de l'excitabilite; Trouble du
rythme cardiaque; Aparato circulatorio patologia; Cardiopatia;
Trastorno excitabilidad; Arritmia
French Descriptors: Fibrillation auriculaire; Ablation; Robotique;
Catheter; Systeme commande; Homme; Pronostic; Long terme; Etude
longitudinale; Appareil circulatoire; Cardiologie
Classification Codes: 002B12A02
Copyright (c) 2008 INIST-CNRS. All rights reserved.
8/8/2
DIALOG(R)File 144: Pascal
(c) 2008 INIST/CNRS. All rights reserved.
18709777 PASCAL No.: 08-0305556
Effects of visual force feedback on robot-assisted surgical task
performance 2008
English Descriptors: Force; Feedback; Robot; Surgery; Performance
evaluation; Performance; Anesthesia; Circulatory system;
Cardiology;Treatment
French Descriptors: Force; Boucle reaction; Robot; Chirurgie;
Evaluation performance; Performance; Anesthesie; Appareil
circulatoire; Cardiologie; Traitement
Classification Codes: 002B11; 002B12; 002B27
Copyright (c) 2008 INIST-CNRS. All rights reserved. . . . . |
12. TYPE desired records in Format 7, which displays the bibliographic citation and the abstract.
Notice the Dialog eLink link displayed at the top of the first record. Searchers who have taken advantage of Dialog’s free eLinks service and have had their accounts enabled for eLinks can click on the publisher link and go directly to their electronic journal subscriptions.
Users with eLinks save lots of time by starting off with a precision Dialog search to get to the relevant fulltext documents they need on biotechnology topics.
Note: Part of the record is omitted from this display. |
?t s8/7/1
8/7/1
Fulltext available through: HighWire Press
Pascal
(c) 2008 INIST/CNRS. All rights reserved.
18724883 PASCAL No.: 08-0322006
Atrial Fibrillation Ablation Using a Robotic Catheter Remote Control System : Initial Human Experience and Long-Term Follow-Up Results.
Commentary
SALIBA Walid; REDDY Vivek Y; WAZNI Oussama; CUMMINGS Jennifer E; BURKHARDT J David; HAISSAGUERRE Michel; KAUTZNER Josef; PEICHL Petr; NEUZIL Petr; SCHIBGILLA Volker; NOELKER Georg; BRACHMANN Johannes; DI BIASE Luigi; BARRETT Conor; JAIS Pierre; NATALE Andrea; CALLANS David J comment
Section of Cardiac Electrophysiology and Pacing, Department of
Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, Ohio, United States; Cardiac Arrhythmia Service, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, United States; Hopital Cardiologique du Haut-Leveque and the Universite Victor Segalen Bordeaux II, Bordeaux, France; Department of Cardiology IKEM-Institute for Clinical and Experimental Medicine, Prague, Czech Republic; Cardiology Department, Na Homolce Hospital, Prague, Czech Republic; Department of Cardiology, Klinikum Coburg II, Medizinische Klinik, Coburg, Germany; Department of Cardiology, University of Foggia, Foggia, Italy; Texas Cardiac Arrhythmia Institute at St. David's Medical Center, Austin, Texas, United States; Division of Cardiology, Stanford University, Palo Alto, California, United States; Case Western Reserve University, Cleveland, Ohio, United States; Department of Medicine, Section of Cardiovascular Disease, University of Pennsylvania, Philadelphia, Pennsylvania, United States
Journal: Journal of the American College of Cardiology, 2008, 51 (25) 2407-2413. . . .
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