http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : ( Chi-chou Kao ) (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
-
( Wen-lin Yang ),( Chi-chou Kao ),( Cheng-huang Tung ) 한국인터넷정보학회 2011 KSII Transactions on Internet and Information Syst Vol.5 No.2
In this paper, we study a problem that is concerning how to construct a delay-constrained multicast tree on a wireless mesh network (WMN) such that the number of serviced clients is maximized. In order to support high-quality and concurrent interference-free transmission streams, multiple radios are implemented in each mesh node in the WMNs. Instead of only orthogonal channels used for the multicast in the previous works, both orthogonal and partially overlapping channels are considered in this study. As a result, the number of links successfully allocated channels can be expected to be much larger than that of the approaches in which only orthogonal channels are considered. The number of serviced subscribers is then increased dramatically. Hence, the goal of this study is to find interference-free and delay-constrained multicast trees that can lead to the maximal number of serviced subscribers. This problem is referred as the MRDCM problem. Two heuristics, load-based greedy algorithm and load-based MCM algorithm, are developed for constructing multicast trees. Furthermore, two load-based channel assignment procedures are provided to allocate interference-free channels to the multicast trees. A set of experiments is designed to do performance, delay and efficiency comparisons for the multicast trees generated by all the approximation algorithms proposed in this study.
-
Cheng, Wei-Hong,Kao, Chen-Yi,Hung, Yu-Shin,Su, Po-Jung,Hsieh, Chia-Hsun,Chen, Jen-Shi,Wang, Hung-Ming,Chou, Wen-Chi Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.6
Background: The aim of our study was to assess the practical utility of the palliative prognostic index (PPI) as a prognostic tool used by nurse specialists in a hospice consultation setting in Taiwan. Methods: In total, 623 terminal cancer patients under hospice consultation care from one medical center in northern Taiwan were enrolled between January 1 and June 30, 2011. PPI was assessed by a nurse specialist at first hospice consultation and patients categorized into groups by prognosis (good, intermediate, poor). Patient survival was analyzed retrospectively to determine significance of between-group differences. Results: By PPI sum score, 37.2% of patients were in the good prognosis group, 18% in the intermediate prognosis group and 44.8% in the poor prognosis group. The death rates were 56%, 81.2% and 89.6% and median survivals were 76, 18 and 7 days, respectively. The hazard ratio was 0.19 (95% confidence interval [CI] 0.10-0.24, p<0.001) for the poor versus good prognosis group and 0.54 (95% CI 0.43-0.69, p<0.001) for the poor versus intermediate prognosis group. The sensitivity and specificity for the poor prognosis group was 66% and 71%; the positive predictive value and negative predictive value were 81% and 52%, respectively, to predict patient death within 21 days (area under the curve of the receiver operating characteristic was 0.68). Conclusions: Assessment by PPI can accurately predict survival of terminal cancer patients receiving hospice consultation care. PPI is a simple tool and can be administered by nurse members of hospice consultation teams.
-
Kimura Disease Simulating Hodgkin’s Lymphoma on 18F FDG PET-CT: Report of a Case
Tsung-Han Yang,Yu-Hsiang Chou,Woei-Yau Kao,Shiou-Chi Cherng 대한핵의학회 2014 핵의학 분자영상 Vol.48 No.4
Abstract We report the case of a 16-year-old male patientpresenting with several mass lesions on the left side of hisneck that had been there for weeks. Whole-body 18Ffluorodeoxyglucosepositron emission tomography and computedtomography (18F FDGPET-CT) revealedmultiple focalareas of increased uptake of fluorodeoxyglucose (FDG) on theleft side of the neck, left supraclavicular fossa, left axilla, andmediastinum, simulating the imaging findings of Hodgkin’slymphoma. Subsequent incisional biopsy of lymph nodes inthe left supraclavicular fossa with histologic examination confirmedthe diagnosis of Kimura disease. The differential diagnosesshould include Kimura disease when evaluating regionalor generalized lymphadenopathy seen on 18F FDGPET-CTbecause it also may show prominent uptake of FDG.
ScienceON
KISS연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
