DIALOG TRAINING SEMINAR Introduction to DIALOG Featuring Dialog
- Slides: 40
DIALOG TRAINING SEMINAR Introduction to DIALOG Featuring Dialog. Classic • Allison Evatt • Graduate Education Program © 2007 The Dialog Corporation
Agenda • Introduction to DIALOG • Planning and Conducting the Search • Modifying and Enhancing a Search – Basic Index – Additional Indexes – The EXPAND Command • Selecting a Database – – – 2 Database Selection Checklist Dialog Database Catalog DIALINDEX Dialog Bluesheets Online Practice
Objectives • Learn the five basic commands • Execute a search online • Select an appropriate database • Modify a search using DIALOG documentation 3
Planning the Search Topic The population of the world is aging. Many people are trying to improve their longevity and quality of life with controversial medical treatments and dietary supplements. One such treatment is the taking of hormone supplements to combat the effects of aging. Find articles written for the layperson that discuss the use of hormones in anti-aging therapies. 4
Planning the Search – Search Worksheet Step 1: Identify Search Terms • Write the topic on the search worksheet • Enter the database(s) selected on the worksheet • Write each concept and appropriate synonyms in each column of the worksheet 5
Planning the Search – Learning Check Search Worksheet Topic: Find articles written for the layperson that discuss the use of hormones in anti-aging therapies. Databases: Gale Group Health and Wellness Database (File 149) Important Ideas Concept 1 Concept 2 AND anti-aging antiaging OR 6 Concept 3 AND hormone treatment therapy
Planning the Search - Truncation Step 2: Search Word Variants (Truncation) • Use truncation for words with different endings • Place a ? at the end of the word stem Example: pollut? Searches: pollute polluting pollutes pollution pollutants 7
Planning the Search – Learning Check Search Worksheet Topic: Find articles written for the layperson that discuss the use of hormones in anti-aging therapies. Databases: Gale Group Health and Wellness Database (File 149) Important Ideas Concept 1 Concept 2 AND anti-aging antiaging OR 8 Concept 3 AND hormon? treatment? therap?
Planning the Search – Proximity Connectors Step 3: Use proximity connectors • Stop words – Not searchable on Dialog – Stop words are: AND, BY, TO, FROM, OF, WITH, AN, FOR, THE – Proximity connectors can take the place of stop words • Search phrases • Replace internal punctuation • Specify order and adjacency of search terms 9
Planning the Search – Proximity Connectors WITH (W) Words must be adjacent and in the order specified Note: you may omit the W and just use the parentheses () Examples: S bugs(w)bunny S bugs()bunny Both retrieve Bugs Bunny (DIALOG is not case sensitive) (W#) Up to X-number of words in between search terms, in the same order Example: S asthma(5 w)therapy? Retrieves: asthma can be treated with therapy 10
Planning the Search – Proximity Connectors NEAR (N) Words must be adjacent but can be in any order Example: S game? (n)board? Retrieves: game boards or board games (N#) Up to X-number of words in between search terms, in any order Example: S asthma? (4 n)therapy? Retrieves: therapy in stable, chronic asthmatic patients or asthma can be treated with therapy 11
Planning the Search – Proximity Connectors SAME (S) Use (S) to restrict words to the same paragraph or subfield LINK (L) Use (L) to link headings and subheadings in the descriptor field Example: aspirin(L)adverse effects 12
Planning the Search – Proximity Connectors 13 Connector Example Searches (W) real(w)estate real estate (N) fiber? (n)optic? fiber optics optical fibers (#W), (#N) cost(1 n)living gone(2 w)wind cost of living gone with the wind (S) solar(s)heat solar in the same paragraph with heat
Planning the Search – Logical Operators Step 4: Use logical operators • Logical operators link concepts (Boolean) • AND – connects concepts when both or all must be present – telecommut? and productivit? – market(5 n)share and tennis(w)equipment • OR – groups synonymous terms when at least one must be present – cat or feline – ultraviolet or uv or ultra(w)violet – Remember: “OR IS MORE” 14
Planning the Search – Learning Check Search Worksheet Topic: Find articles written for the layperson that discuss the use of hormones in anti-aging therapies. Databases: Gale Group Health and Wellness Database (File 149) Important Ideas Concept 1 Concept 2 AND anti(w)aging antiaging OR 15 Concept 3 AND hormon? treatment? therap?
Conducting the Search – Basic Commands • BEGIN – enter a database – Begin 47 – B 9, 16, 148 • SELECT – choose search terms – Select jury – S merge or acqui? • TYPE – display records • DISPLAY SETS – show search history – DS • LOGOFF – disconnects from Dialog and displays a cost estimate of the search session 16
Displaying Results – The TYPE Command Set Number s 1 Format / 6 Range of Records / Examples: t s 1/6/1 -3, 5, 10 t s 2/3/all 17 1 -3
Displaying Results – Formats • Selected Format Options – – – Format 6 or FREE – titles Format 8 or SHORT – titles and descriptors Format 3 or MEDIUM – bibliographic Format 9 or FULL – complete record Format K or KWIC – keywords in context of the article • Check the Bluesheet formats for each database 18
Putting the Search Together • Building blocks: step by step, then combine all sets together ? s threat or hazard ? s radon or asbestos ? s s 1 and s 2 • Nesting: all search terms in one statement ? s (threat or hazard) and (radon or asbestos) • Both achieve the same result – Building blocks gives you more flexibility. – Nesting is shorter but leaves little room for error. Useful if you plan to save the search strategy to run again later. 19
Putting the Search Together – Learning Check Search Worksheet Topic: Find articles written for the layperson that di scuss the use of hormones in-anti-aging therapies. Databases: Gale Group Health and Wellness Database (File 149) Important Ideas Concept 1 Concept 2 AND anti(w)aging antiaging Concept 3 AND hormon? treatment? therap? OR S 1 Commands to Enter: B 149 S anti(w)aging or antiaging S hormon? S treatment? or therap? S s 1 and s 2 and s 3 T s 4/6/1 -5 20 S 2 S 3
Conducting the Search Commands ? begin 149 ? select anti(w)aging or antiaging ? select hormon? ? select therap? or treatment? ? s s 1 and s 2 and s 3 ? t s 4/6/1 -5 ? s s 1 (s) s 2 (s) s 3 (ONE WAY TO LIMIT THE SEARCH) ? ds ? t s 5/9/2 (TO DISPLAY A FULLTEXT RECORD) ? logoff 21
Planning and Conducting the Search Summary • Use synonyms to identify alternate search terms • Employ truncation to search for words that may have different endings • Use proximity connectors to connect words • Use logical operators (AND, OR) to link search terms together • Put the search strategy together • View records by using the appropriate format • TYPE and/or SAVE the results (PRINT for commercial accounts) 22
Modifying and Enhancing a Search – Basic Index • Basic Index – Search subject-related information – Use a suffix to limit the search to a particular field. – Common suffixes: • /ti s skin/ti Searches title field s skin(n)cancer/ti • /de s melanoma/de Searches descriptor field s human(2 w)hormone? /ti, de • /co s oracle/co Searches company name s s 1/co field • /lp s global()warming/lp Searches lead paragraph 23
Basic Index • Basic index fields are word-indexed – Each word is searched as a separate term – To search phrases, use proximity connectors – Remember to replace embedded punctuation with a proximity connector • Examples: – global(w)warming – wal()mart 24
Modifying and Enhancing a Search – Additional Indexes • Additional Indexes – Non-subject related information – Use two-character codes before the search term (PY=) – Common Prefixes: • PY=publication year s py=2007 s py=2005: 2007 • PD=publication date s pd=20070110 • AU=author name s au=koop, c? s au=bowen, ezra • JN=journal name s jn=popular mechanics s jn=newsweek 25
Additional Indexes • Most fields are phrase-indexed • Must enter search term exactly as listed in the database – Do not use proximity connectors • Use EXPAND to verify correct spelling 26
Modifying and Enhancing a Search – Using EXPAND The EXPAND Command • Use EXPAND to verify spelling and view alphabetically similar entries • Index shows how a name is listed and the number of records that contain the name • Step 1: EXPAND using prefix + name – Example: e au=perls • Step 2: SELECT E numbers – Example: s e 3: e 6 s e 3 or e 7 27
Modifying and Enhancing a Search – Using EXPAND ? e au=perls t Ref E 1 E 2 E 3 E 4 E 5 E 6 E 7 E 8 E 9 E 10 E 11 E 12 Items Index-term 1 AU=PERLS H 2 AU=PERLS KB 24 *AU=PERLS T 25 AU=PERLS TT 5 AU=PERLSMAN E 3 AU=PERLSMAN M 1 AU=PERLSON BD 2 AU=PERLSON LN 2 AU=PERLSTADT H 1 AU=PERLSTADT MA 2 AU=PERLSTEIN D 1 AU=PERLSTEIN DA Enter P or PAGE for more 28 EXPAND using the prefix AU= and the author’s name.
Modifying and Enhancing a Search – Using EXPAND ? s e 3: e 4 S 1 15 AU='PERLS T': AU='PERLS TT' ? s 100 or one(w)hundred 436765 100 1280614 ONE 58036 HUNDRED 27985 ONE(W)HUNDRED S 2 461389 100 OR ONE(W)HUNDRED ? s py=2002 S 3 983731 ? s s 1 and s 2 and s 3 15 461389 983731 S 4 4 ? t s 4/6, k/all 29 PY=2002 S 1 S 2 S 3 S 1 AND S 2 AND S 3 SELECT appropriate E numbers Narrow the search using keywords and a publication year.
Selecting a Database – Dialog Bluesheets • Check the Dialog Bluesheets – – – 30 Description (Front page) Subject coverage Sample record Format options Search options
Selecting a Database – Selection Tools • Database Selection Checklist – – What is the general subject? What is the perspective of the question? How much information is desirable? What type of database is needed? • Dialog Database Catalog – Database descriptions – Database by type • Bibliographic • Complete text • Directory • Numeric 31
Selecting a Database - DIALINDEX • Central index to most of the Dialog databases • Types of categories – Supercategories (ALLSCIENCE) – One. Search subject categories (BIOSCI, PRODUCTS) – User-defined categories (NEWS, 9, 15) • Uses – Identify relevant databases – Test effectiveness of search strategy – Search large categories for a specific piece of information 32
Selecting a Database – DIALINDEX Commands B 411 SF PAPERS S <search terms> SAVE TEMP RANK FILES B <databases> EXS RD T s 2/3/1 from each 33 Open DIALINDEX Choose files Enter search terms Save search strategy Reorder database list with the largest number at top Begin N numbers or database numbers Execute search Remove duplicates Display records from each file
Wrap Up – Review of Commands • Basic Commands – – – BEGIN EXPAND SELECT TYPE LOGOFF begin 9 expand co=microsoft select bioengineer? and food type s 1/6/1 -5, 8 logoff • Formats – Common Formats • Format 6 – titles • Format 8 – descriptors • Format 3 – bibliographic • Format 9 – complete record • Format K – keywords in context 34
Wrap Up – Review of Commands • Truncation – S lemon? Retrieves lemon, lemons, lemonade • Set history – DISPLAY SETS or DS • Proximity connectors – – – 35 (W) (N) (#W) (#N) (S) s real(w)estate s game(n)board? s gone(2 w)wind s market(5 n)share s s 1(s)s 2
Wrap Up – Review of Commands • Logical Operators – AND – OR s skelly and game? s game? or toy? • Saving Searches – Save temp – EXS • CURRENT – B 16 current • Qualifiers – Suffixes – Prefixes 36 s board(n)game? /ti s cancer/ti, de s co=microsoft? s py=2003
Wrap Up – Review of Commands • DIALINDEX Commands – – – – – 37 Begin DIALINDEX Set Files Select <keywords> Save temp Rank files Begin <databases> Execute steps Remove duplicates Type b 411 SF papers s solar and mars save temp rf b N 1: N 3 exs rd t s 2/6, k/1 from each
Wrap Up – Other Training Tools • Dialog. Classic. Web – http: //www. dialogclassic. com – Links to training and support materials • Practice – ONTAP databases – training. dialog. com/sem_info/courses/#ontap • Other Training Sessions – http: //training. dialog. com for schedule of web-based training 38
Wrap Up Thank you! allison. evatt@thomson. com 39
Setting Up a Dialog Alert • What is an Alert? – Current awareness service allowing a search to be run automatically whenever new records are added to a database – Available for most regularly updated databases – Multifile Alerts available – Delivery options • Postal mail • E-mail • Fax 40
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