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박철신(Cheol-Shin Park),박준상(Jun-Sang Park),김명섭(Myung-Sup Kim) 한국통신학회 2013 韓國通信學會論文誌 Vol.38 No.8(네트워크)
페이로드 시그니쳐 기반 분석 방법에서 정확한 시그니쳐는 분석 성능을 높이는데 있어 필수적이다. 하지만 정확한 시그니쳐를 생성하기 위한 수동생성 방법에는 한계가 있다. 따라서 이를 극복 하기 위해 페이로드 시그니쳐를 자동생성하기 위한 페이로드 시그니쳐 자동 생성 시스템을 제안한다. 또한 프로토콜 필터를 이용한 응용의 프로토콜 인식을 통해 시그니쳐 자동 생성의 효율성을 향상 시키고, 프로토콜 별 응용의 페이로드 시그니쳐를 자동 생성하여 세분화된 분석에 적용 할 수 있는 페이로드 시그니쳐 자동 생성 방법을 제안하였다. 본 논문에서 제안한 시스템의 타당성을 검증하기 위해 수동 생성 시그니쳐와 자동 생성 시그니쳐의 비교 및 프로토콜 별 자동 생성 시그니쳐를 통해 시스템의 타당성을 보였다. Fast and accurate signature extraction is essential to improve the performance of the payload signature-based traffic analysis methods. However the slow manual process in extracting signatures make difficult to deal with the rapidly changing application in current Internet environment. Therefore, in this paper we propose a system automatically generating signatures from ground-truth traffic data. In addition, we improve the efficiency of signature extraction by recognizing the application protocol using a protocol filters and generating signatures automatically according to the application-specific protocol contents. In order to verify the validity of the system proposed in this paper, we compared the signatures automatically generated from our system with the signatures manually created for a few popular applications.
박철신(Cheol Shin Park),윤오주(Oh Joo Yune),이헌영(Heon Young Lee),김영건(Young Kun Kim),노흥규(Heung Kyu Ro),이복희(Bok Hee Lee) 대한내과학회 1989 대한내과학회지 Vol.36 No.2
Actinomycosis is a chronic, progressive, Suppurative, granulomatous disease. Definite diagnosis will generally be based upon histologic identification of actinomycotic granules or culture of the Actinomyces, or both. The diagnosis of abdomino-pelvic actinomycosis is often difficult to make. Since abdominal actinomycosis is indeed an uncommonly encountered clinical entity today, many clinicians fail to consider actinomycosis as a possibility. Actinomyces is anaerobic. It is not usually isolated from routine cultures and anaerobic cultures are difficult to obtain. It may be impossible to clinically distinguish abdominal actinomycosis from other diseases because of the variable forms of presentation which may be recognized in patients, including fever, anorexia, nausea and vomiting. Especially in Korea, the clinical presentation of actinomycosis often resembles intestinal tuberculosis, which should not usually be treated surgically. We experienced a case of Abdomino-pelvic Actinomycosis in which it was difficult to make a early diagnosis.
성인 급성골수성 백혈병의 DAV ( Doxorubicin Ara - C and Vp - 16 ) 복합화학요법
박철신(Cheol Shin Park),김종완(Jong Wan Kim),송민호(Min Ho Song),조덕연(Deog Yeon Jo),윤오주(Oh Joo Yune),한성필(Sung Pil Han),김삼용(Sam Yong Kim) 대한내과학회 1989 대한내과학회지 Vol.36 No.3
N/A To evaluate the therapeutic effect and usefulness of DAV combination chemotherapy, 12 patients with adult acute myelogenous leukemia were treated with a DAV (Doxorubicin 45 ㎎/㎡ 4, days 3-5, Ara-C 100 ㎎/㎡ 4, days 1-8 and VP-16 100 ㎎/㎡ 4, days 6-8) regimen for remission induction. The results were as follows: 1) The rate of complete remission was 10/13 (76.9%) including one case of re-induction chemotherapy. 2) The median remission duration and the median survival duration in-completely remitted patients were 8 months (1-16 months) and 10 months (2-25 months), respectively. 3) Two among the 9 remitted patients were relapsed (22%). 4) The 2-year survival rates of all patients, the completely remitted patients and the in-completely remitted patients were 33%, 50% and 0%, respectively. 5) The drug toxicities of grade 3 or more (grade 2 or more in anorexia, nausea and alopecia) according to ECOG (Eastern Cooperative Oncology Group) toxicity criteria were as follows: leukopenia-11/12 (92%), anorexia and nausea-8/12 (67%), alopecia-8/12 (67%), mucositis and stomatitis-7/12 (58%) and hemorrhage-5/12 (42%). Thus, we conclude that DAV combination chemotherapy is one of the useful and encouraging therapeutic regimens in remission induction of adult acute myelogenous leukemia.
박철신,김삼용 충남대학교 의과대학 지역사회의학연구소 1989 충남의대잡지 Vol.16 No.1
To evaluate the therapeutic effect and usefulness, 12 patients with Adult Acute Myelogenous Leukemia were treated with DAV (Doxorubicin 45㎎/㎡ Ⅳ Days 3-5, Ara-C 100㎎/㎡ Ⅳ Days 1-8 and VP-16 100㎎/㎡ Ⅳ Days 6-8) regimen for remission induction. The results were as follows: 1) The rate of complete remission was 10/13 (76.9%) including one case of re-induction chemotherapy. 2) The median remission duration and the median survival duration in completely remitted patients were 8 months (1-16 months) and 10 months (2-25 months), respectively. 3) 2 among the 9 remitted patients were relapsed(22%). 4) The 2-year survival rates of the all patients, the completely remitted patients and teh non-completely remitted patients were 33%, 50% and 0% respectively. 5) The drug toxicities grade 3 or more (grade 2 or more in anorexia, neusea and alopecia) by ECOG (Eastern Cooperative Oncology Group) toxicity criteria were as follows: Leukopenia-11/12 (92%), Anorexia and Nausea-8/12(7%), Alopecia-8/12(67%), Mucositis and Stomatitis-7/12(58%) and Hemorrhage-5/12(43%). Thus we conclude that DAV combination chemotherapy is one of the useful and encouraging therapeutic regimen in remission induction of Adult Acute Myelogenous Leukemia.
만성 골수성 백혈병에 대한 Recombinant Interferon-gamma와 Hydroxyurea 병합요법
김삼용,박철신,김종완 충남대학교 의과대학 지역사회의학연구소 1989 충남의대잡지 Vol.16 No.2
To evaluate the therapeutic effect and toxicity, 8 patients with chronic phase chronic myelogenous leukemia were treated with IFN―gamma(5×10 Units/㎡/day i.m. from Monday to Friday every week) and Hydroxyurea (1―4gm/day po till WBC<20,000/cu mm, when the therapy is switched to IFN―gamma plus hydroxyurea 1―4 gm/day po×7 days every 3 weeks). 6 patients (75%) achieved responses (3 complete hematologic response, 3 partial hematologic response). The median duration of responses was 3 mos(1―10 mos). Early toxicities of interferons (fever, chill, fatigue and myalgia) were noted in 8―100% of the patients, but were well controlled with acetaminophen. The long term results of this trial needs to be followed by more patient accural and for the evaluation of whether this combined modality therapy could delay and prevent the progression to blastic phase from chronic phase of CML.
김종완,장준,신승훈,윤일국,박철신,김삼용 충남대학교 의과대학 지역사회의학연구소 1989 충남의대잡지 Vol.16 No.2
19 adult ALL patients were treated with follwing regimens; VP regimen to 5 patients, VPA regimen to 4 patients, multi-drug combined intensive therapy of Hoelzer regimen to 10 patients. The results of therapy are as follows: 1. Complete remission occured in 3 patients on VP regimen(60%), 4 patients on VPA regimen (100%), 8 patients on Hoelzer regimen (80%), respectively, and overall complete remission rate was 78.9%. 2. Mean survival time of total patients was 13.8 months, and in complete remission group, it was 16.2 month, but in non-complete remission group, it was 1.8 month. 3. Factors favorable for complete remission were absence of organomegaly(P<0.05) and initial leukocyte count under 30,000/㎟(P<0.01), factors favorable for the survival duration were initial leukocyte count under 30,000/㎟(P<0.05) and remission within 4 weeks of treatment.(P<0.01). 4. Recurrence rate were 40% in VP regimen, 50% in VPA regimen, and 20% in Hoelzer regimen. 5. During the remission induction period, common side effects of chemotherapy were alopecia, nausea, vomiting, mucositis, and general weakness and it was severe in VPA regimen and Hoelzer reimen than in VP regimen. But no significant difference was noted between VPA regimen and Hoelzer regimen. From the above results, we could confirm the importance of multiple drug combined intensive chemotherapy of remission regimen and periodic reinduction chemotherapy.