300 likes | 551 Views
PubMed Searching: Automatic Term Mapping (ATM). PubMed for Trainers, Spring 2014 U.S. National Library of Medicine (NLM) and NLM Training Center. Objectives. By the end of this session, you should be able to: Describe how PubMed processes a search using Automatic Term Mapping (ATM)
E N D
PubMed Searching: Automatic Term Mapping (ATM) PubMed for Trainers, Spring 2014U.S. National Library of Medicine (NLM) and NLM Training Center
Objectives • By the end of this session, you should be able to: • Describe how PubMed processes a search using Automatic Term Mapping (ATM) • Use Search Details to determine how PubMed processed your search • Modify your PubMed search based on what you learn from Search details PubMed for Trainers
Composing Your Search • Be specific • Use no punctuation (e.g., no quotation marks) • Use no operators (e.g., AND) • Use no tags • Capitalization is unimportant PubMed for Trainers
ATM (continued) PubMed looks for: • Subjects • Journals • Authors In that order. PubMed for Trainers
MeSH (Subject) Translation Table Contains: • MeSH Headings • Subheadings • Publication Types • Entry Term mappings (also known as synonyms) for MeSH terms • Supplementary Concepts and synonyms to the Supplementary Concepts • Mappings derived from the Unified Medical Language System (UMLS) PubMed for Trainers
When a Match is Found for your Subject Processing now stops! PubMed for Trainers
Automatic Explosion: What you Don’t See in Search Details PubMed for Trainers
Pop Quiz! PubMed for Trainers
ATM (cont’d) If PubMed doesn’t find a match in the MeSH subject table, it looks for: • Subjects • Journals • Authors PubMed for Trainers
Journals Translation Table • Full journal title • MEDLINE abbreviation • International Standard Serial Number (ISSN) PubMed for Trainers
When a Match is Found for your Journal Title Processing now stops! PubMed for Trainers
Pop Quiz! PubMed for Trainers
ATM (cont’d) If PubMed doesn’t find a match in the journals table, it looks for: • Subjects • Journals • Authors PubMed for Trainers
Author Translation Tables • Author Index • In the format: Lastname Initials: • Jennings BH • Full Author Translation Table • Author names in natural and inverted order: • Barbara H Jennings • Jennings, Barbara H • Investigator Index • Full Investigator Translation Table PubMed for Trainers
When a Match is Found for an Author Name Processing now stops! PubMed for Trainers
Pop Quiz! PubMed for Trainers
ATM: Searching Multiple Concepts PubMed for Trainers
Combining Subjects, Journals & Authors: What does ATM Do? PubMed for Trainers
No match in any of the translation tables? PubMed for Trainers
Phrase Searching with Quotes Caution! Using quotes bypasses ATM & automatic explosion. PubMed for Trainers
Quoted Phrase Not Found PubMed for Trainers
Exercise Search the following in PubMed: • “health planning” • health planning What is missed in the first search? PubMed for Trainers
Searches that Bypass Automatic Term Mapping: • Using a search tag: • Gene [author] • Science [journal] • Forcing a phrase search with quotes: • “pressure point” • Using the Single Citation Matcher • Using Advanced Search Use with caution! PubMed for Trainers
Summary • For most PubMed searches justenter your terms and click Search. • Always check Search details • Automatic Term Mapping processes subjects, journals and authors, in that order. PubMed for Trainers
Summary • With ATM, your MeSH terms will automatically explode to include narrower topics. • The 3 ways to enter journal titles are: • Full journal title • MEDLINE journal title abbreviation • ISSN • For the most comprehensive author search, use the format lastname initials (e.g., smith ja). • If necessary, bypass ATMby using: • Quotations or tags • Single Citation Matcher • Advanced Search (to be discussed later) PubMed for Trainers
You should now be able to: • Describe how PubMed processes a search using Automatic Term Mapping • Use Search Details to determine how PubMed processed your search • Modify your PubMed Search depending on what you learn from Search Details PubMed for Trainers