1. 1 Discussion Class 12 Medical Subject Headings (MeSH) and Unified Medical Language System (UML)

2. 2 Discussion Classes Format: Question Ask a member of the class to answer. Provide opportunity for others to comment. When answering: Stand up. Give your name. Make sure that the TA hears it. Speak clearly so that all the class can hear. Suggestions: Do not be shy at presenting partial answers. Differing viewpoints are welcome.

3. 3 Course Administration CS 490 and CS 790 Independent Research Projects Web Research Infrastructure -- build a system to bring complete crawls of the Web from the Internet Archive to the Cornell Theory Center and make them available for researchers through a standard API. (Continues planning work carried out this semester.) [Strong programming skills required.] There will not be an independent research project in information retrieval.

4. 4 Course Administration Final Examination The final examination is on Monday, December 13, between 12:00 and 1:30. A make-up examination will be available on another date, which has not yet been chosen. The proposed date is December 9. If you would like to take the make-up examination, send an email message to Anat Nidar-Levi (anat@cs.cornell.edu).

5. 5 Question 1: Search Strategy In preparing for this class (a) What search tools did you use? (b) What did you find? (c) What browsing techniques did you use? (d) What did you find?

6. 6 Question 2: MeSH (a)What is the purpose of MeSH? (b)What are the main components of MeSH? (c)How are the organized? (d)Can you give an example? (e)Explain the terms "controlled vocabulary" and "subject authority" as used about MeSH.

7. 7 Question 3: Example of MeSH hierarchy Biological Sciences [G] Biological Sciences [G01] + Health Occupations [G02] + Environment and Public Health [G03] + Biological Phenomena, Cell Phenomena, and Immunity [G04] + Genetics [G05] + Biochemical Phenomena, Metabolism, and Nutrition [G06] + Physiological Processes [G07] + Reproductive and Urinary Physiology [G08] + Circulatory and Respiratory Physiology [G09] + Digestive, Oral, and Skin Physiology [G10] + Musculoskeletal, Neural, and Ocular Physiology [G11] + Chemical and Pharmacologic Phenomena [G12] +

8. 8 Question 3: Example of MeSH hierarchy (continued) Physiological Processes [G07] Adaptation, Physiological [G07.062] + Aging [G07.168] + Body Constitution [G07.265] + Body Temperature [G07.315] Body Temperature Regulation [G07.315.232] + Skin Temperature [G07.315.753] Chronobiology [G07.450] + Electrophysiology [G07.453] + Fluid Shifts [G07.503] Growth and Embryonic Development [G07.553] + Homeostasis [G07.621] + Tensile Strength [G07.900] Tropism [G07.950] +

9. 9 Question 3: Example of MeSH hierarchy (continued) MeSH HeadingBody Temperature Tree NumberE01.370.600.120 Tree NumberG07.315 Entry TermOrgan Temperature See AlsoFever See AlsoThermography See AlsoThermometers Allowable QualifiersDE GE IM PH RE Unique IDD001831

10. 10 Question 4: UML (a)What is UML? (b)Explain the term "Metathesaurus". How is it organized? (c)What is the purpose of a "concept identifier"? (d)Give examples of: (i) Relationships (ii) Semantic types

11. 11 Question 5: Relationships RelationshipDefinition Broader (RB)Has meaning which includes that of the concept Narrower (RN)Has meaning which is included in that of concept Other related (RO)Has another relationship Like (RL)The two concepts are similar. Mostly supplementary concepts which are largely chemicals Parent (PAR)Is a parent in a hierarchy of a source vocabulary Child (CHD)Is a child in a hierarchy of a source vocabulary Sibling (SIB)Shares a parent in a hierarchy in a source vocabulary AQIs allowed qualifier for a concept QBCan be qualified by a concept in a source vocabulary

12. 12 Question 6: Semantic types