![](bg6.png)
Table 4: Applied result to Thunderbird threads.
Manually generated clusters Concept-based algorithm clusters
Cluster 1: 216223, 216225,
227883
Cluster 1: 216223, 216225, 227883, 232432,
259951, 259959, 259331, 229879
Cluster 2: 218774, 240476, 240138, 243631 Cluster 2: 218774
Cluster 3: 232967, 289375, 284030 Cluster 3: 220173, 232967, 284030, 289375
Cluster 4: 229179, 229740, 230241 Cluster 4: 227841
Cluster 5: 220173, 231959, 234811,
234707
Cluster 5: 228300, 233944, 232433, 232432,
231960, 230925
Cluster 6: 227841, 230700, 232699, 231552,
229879, 228300
Cluster 6: 229179, 230241, 259289,
243631, 234707, 240476, 240138
Cluster 7: 257378, 259227, 273422, 259958,
259951, 259331, 259321, 259317, 259959,
259289, 258897, 258447
Cluster 7: 229740
Cluster 8: 230700
Cluster 9: 230925, 231552, 231960, 233944, 257378
Cluster 10: 231959, 234811
Cluster 11: 232433, 258897, 259317, 259321, 273422
Cluster 12: 232699, 258447
Cluster 13: 259227
Cluster 14: 259958
huge cluster containing all the documents in a corpus.
However, further testing of this clustering procedure
is probably needed to test its trustworthiness.
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CONCEPT-BASED CLUSTERING FOR OPEN-SOURCED SOFTWARE(OSS) DEVELOPMENT FORUM THREADS
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