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This paper addresses a task of automatically identifying abnormal chat users where training data is given as a collection of chat messages from both abnormal and normal users. We employ a k-NN classification based on an IR technique. A document is constructed in per-conversation for each user by concatenating his/her messages in a conversation. A query is(More)
STUDY DESIGN A case report and literature review. OBJECTIVE To report a late dislocation of the vertebra caused by progressive dural ectasia combined with type-1 neurofibromatosis (NF-1) and the clinical results of pseudarthrosis repairs using autologous cultured osteoblasts. SUMMARY OF BACKGROUND DATA NF-1 is a well-known genetic disorder that is(More)
BACKGROUND Tenotomy and tenodesis are common treatments for lesions in the long head of biceps tendon (LHBT); however, which treatment is superior is still controversial. This study compared the outcomes of tenotomy with outcomes of tenodesis for treatment of LHBT lesions with rotator cuff tears. METHODS The study enrolled 128 patients with LHBT lesions(More)
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