Association Hypothesis

Similar concepts

Similarity Concept
Information retrieval definition
Operational information retrieval
Automatic document classification
Experimental information retrieval
Information measure
Association Measures
Measures of association
Cluster based retrieval
Theory of measurement

Pages with this concept

Similarity Page Snapshot
134 which from a computational point of view would simplify things enormously ...An alternative way of using the dependence tree Association Hypothesis Some of the arguments advanced in the previous section can be construed as implying that the only dependence tree we have enough information to construct is the one on the entire document collection ...The basic idea underlying term clustering was explained in Chapter 2 ...If an index term is good at discriminating relevant from non relevantdocuments then any closely associated index term is also likely to begood at this ...
187 Probabilistic search strategies have not been investigated much either,although such strategies have been tried with some effect in the fields of pattern recognition and automatic medical diagnosis ...In Chapter 5 I mentioned that bottom up search strategies are apparently more successful than The work described in Chapter 6 goes some way to remedying this situation ...the more traditional top down searches ...spanning tree on the documents could be an effective structure for guiding a search for relevant documents ...4 ...The three areas of research discussed so far could fruitfully be explored through a simulation model ...One major open problem is the simulation of relevance ...5 ...This has been the most troublesome area in IR ...