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Long-sentence analysis has been a critical problem in machine translation because of its high complexity. Intrasentence segmentation has been proposed as a method for reducing parsing complexity. This paper presents a two-step segmentation method: (1) identifying potential segment-ation positions in a sentence and (2) selecting an actual segmentation… (More)
Long sentence analysis has been a critical problem because of high complexity. This paper addresses the reduction of parsing complexity by intra-sentence segmentation, and presents maximum entropy model for determining segmentation positions. The model features lexical contexts of segmentation positions , giving a probability to each potential position.… (More)
BACKGROUND/AIM Despite an excellent prognosis, certain patients with thyroid cancer suffer from locally invasive disease that cannot be controlled by conventional therapy. Our previous study suggested that hypoxia inducible factor-1-alpha (HIF1α) might be an important marker for the identification of and a treatment target of intractable thyroid cancer.… (More)
Carcinoid tumors are neuroendocrine tumors that are most commonly found in the gastrointestinal tracts and lungs. They seldom develop in the head and neck area as a primary tumor, and there have been rare reports of them arising in the sinonasal area. We report a case of a 47-year-old woman with a typical carcinoid tumor arising in the sphenoid sinus.