Christina's LIS Rant
Tuesday, January 16, 2007
meaningful and stable vs. not
On Web4Lib a while ago we were discussing clustering vs faceted vs federated search (all very different!). This reminded me of work by an HCIL-er (now professor at CUA)... I've made this point here before, but little has changed.
Meaningful and stable (yes, not the right database for the search, probably):
Facets - author, affiliation, publisher, language, year, classification code, controlled vocabulary...
Suggestions from the CV (not really suggestions but frequently occurring descriptors):
Neurology(19)
Proteins(5)
Muscle(5)
Cells(4)
Neurophysiology(4)
Drug Therapy(4)
Patient Monitoring(4)
Electromyography(3)
Pharmacodynamics(3)
Patient Treatment(3)
Not meaningful, maybe stable:
Ok, so here are the clusters for "nerve blockade"
Meaningful and stable (yes, not the right database for the search, probably):
Facets - author, affiliation, publisher, language, year, classification code, controlled vocabulary...Suggestions from the CV (not really suggestions but frequently occurring descriptors):
Neurology(19)
Proteins(5)
Muscle(5)
Cells(4)
Neurophysiology(4)
Drug Therapy(4)
Patient Monitoring(4)
Electromyography(3)
Pharmacodynamics(3)
Patient Treatment(3)
Not meaningful, maybe stable:
Ok, so here are the clusters for "nerve blockade"- Chi-Square Test
- Prospective Studies
- Middle Age
- Male Female (hopefully one or the other or both will be involved)
- Random Assignment
- Continuing Credit
- Comparative Studies
- Descriptive Statistics
Labels: clustering, faceted, research databases
¶ 1:49 PM| |cites (technorati) |
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