• Title/Summary/Keyword: ACL

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The case study to verify of a network based on router applying an ACL(: Access List) (ACL(: Access list)이 적용된 라우터 기반 네트워크의 검증 사례연구)

  • Kim, No-Whan
    • The Journal of the Korea institute of electronic communication sciences
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    • v.11 no.5
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    • pp.491-498
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    • 2016
  • An ACL(: Access List), a list that determines network access, is used for the security of the network. An ACL if applied to a interface of router can filter particular packets. Also it can block or allow the access of certain unauthorized IPs or ports, based on the source address, destination address, and TCP/UDP port. This paper presents a simulation case to verify the effect of a router-based network applying Standard ACL or Extended ACL. The network was created through designing topology and then making a common virtual network using a Packet Tracer.

ACL Reconstruction - Remnant Preserving Technique - (전방십자인대 재건술 - 잔류조직 보존술식 -)

  • Lee, Byung-Ill;Chun, Dong-Il
    • Journal of the Korean Arthroscopy Society
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    • v.13 no.2
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    • pp.97-104
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    • 2009
  • Optimal treatment of the torn anterior cruciate ligament (ACL) remains controversial. The complexity of surgically reproducing the natural biomechanical and anatomical function of the ACL has led to a diversity of reconstructive procedures. Controversy continues to exist regarding the best reconstructive procedure for the ACL deficient knee, but currently, there is no ideal method. Because of the increased frequency of ACL injury and the functional impairment resulting from that, the role of mechanoreceptors in the ACL recently has attracted considerable attention. Proper reconstruction of the ruptured ACL does not always have good results. Success after operation may depend not only on the mechanical stability but also on the quality of recovery of proprioception. It is well known that most ACL are ruptured in proximal half and most mechanoreceptors have been reported to be located in the subsynovial layer and near the tibial insertion of the ACL. Expected roles of tibial remnant is to enhance the revascularization and cellular proliferation of the graft, to preserve proprioceptive function, and to be able to acquire anatomical placement of the graft without roof impingement. The remnant of the ruptured ACL has been removed to clearly visualize the ACL footprint or decrease the risk of impingement and Cyclops lesion in most current techniques for ACL reconstruction. Therefore it seems reasonable to assume that preserving the tibial remnant as much as possible as a source of reinnervation, if technically possible without causing impingement, would be of potential benefit to the patient. In addition, it will facilitate the vascular ingrowth and ligamentization of the grafted ACL.

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ACL Improvement in Web Cache Server (웹 캐시 서버에서의 ACL 개선방안)

  • 강선애;김기창;심종익
    • Proceedings of the Korean Information Science Society Conference
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    • 2001.10c
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    • pp.382-384
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    • 2001
  • 인터넷 사용자의 증가로 인한 서버의 과부하 및 네트워크 응답시간 지연의 대안으로 캐시서버의 사용이 보편화되고 있다. 그러 나, 최근 유해사이트의 급격한 중가로 캐시 서버의 부가 기능인 ACL(Access Control List)또한 중요한 기능의 하나가 되면서 대량의 유해사이트 차단 목록이 캐시 서버의 병목현상을 가중시키고 있다 본 논문에서는 캐시 서버의 대명사격인 Squid의 ACL방식과 대량의 black list를 적용했을 때의 ACL의 regular expression방식의 문제점을 살펴보고, 대량의 black list에 적합한 hash기반 ACL 처리 방식을 제안한다. hash를 이용한 ACL방식은 빠른 검색을 제공하여 캐시 서버의 응답시간에 큰 영향을 주지않기 때문에 캐시서버가 정상적인 서비스를 할 수 있도록 해준다.

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A Study on Ship Initial Design Agent System Based on ACL and CORBA (ACL과 CORBA를 이용한 선박 초기설계 에이전트 시스템에 관한 연구)

  • 김동현;이규열;이상욱
    • Korean Journal of Computational Design and Engineering
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    • v.4 no.4
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    • pp.360-370
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    • 1999
  • The paper proposed a basic architecture of an agent system to support exchange and sharing of design informations by means of ACL(Agent Communication Language) which can represent design informations and knowledges. Based on the architecture of the agent system a ship initial design agent system was implemented in order to show the effectiveness of the agent-based system. The basic architecture of the agent consists of an ACL handlerand CORBA(Common Object Request Broker Architecture) objects for the exchange of ACL messages in the heterogeneous and distributed environment. The ACL handler can process expressions of knowledge and manage communication messages among the agents. The paper mainly focuses on the implementation of the ACL handler. The ACL handler consist of a KQML(Knowledge Query and Manipulation Language) handler that manages KQML messages, a conversation module, and a content handler that handles message contents. The conversation modulo implements conversation policies and checks all messages if they are allowable and meaningful messages based on the conversation policies. The implemented agent-based system was applied to the ship initial design to show the handling procedure of the agent system.

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A Study on Car License Plate Extraction using ACL Algorithm (ACL 알고리즘을 이용한 자동차 번호판 영역 추출에 대한 연구)

  • Mun, Du-Yeoul;Lee, Yong-Hee;Jang, Seung-Ju
    • Journal of Navigation and Port Research
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    • v.28 no.8
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    • pp.727-733
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    • 2004
  • In the car license plate recognition system, it is very important to extract the part of the license plate from the car image. In this paper, I use ACL algorithm to extract the license plate image from car image. The ACL algorithm is used to color and luminance information, either. Therefore in this paper, suggested algorithm is called ACL algorithm The ACL algorithm uses color, luminance information and the rate of license plate information Each of these information are used to exact area of license plate. The result of experiment to extract the car license plate with ACL algorithm is 97% extraction rate. The result of experiment with ACL algorithm for the character region, character recognition is 92% extraction rate.

A Study on Car License Plate Extraction using ACL Algorithm (ACL 알고리즘을 이용한 자동차 번호판 영역 추출에 대한 연구)

  • Jang, Seung-Ju;Shin, Byoung-Chul
    • The KIPS Transactions:PartD
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    • v.9D no.6
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    • pp.1113-1118
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    • 2002
  • In recognition system of the car license plate, the most important is to extract the image of the license plate from a car image. In this paper, we use ACL (Adaptive Color Luminance) algorithm to extract the license plate image from a car image. The ACL algorithm that uses color and luminance information of a car image is used to extract the image of the license plate. In this paper, color, luminance and other related information of a car image are used to extract the image of the license plate from that of a car. In this reason, we call it the ACL algorithm. The ACL algorithm uses color, luminance information and other related information of a license plate. These informations are avaliable to exact the image of the license plate. The rate of extracting the image of the license plate from a car is 97%. The experimental result of the ACL algorithm for the character region is 92%.

Pharmacokinetics, Cell Toxicity, Antitumor Activity and Spleen/Blood Cell Toxicity of Aclarubicin-entrapped Liposomes (리포좀에 봉입된 아클라루비신의 약물동태, 세포독성, 항암효과 및 비장/혈구 세포독성)

  • 박목순;박진규;이계원;명평근;석대은;황성주;지웅길
    • YAKHAK HOEJI
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    • v.42 no.3
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    • pp.274-274
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    • 1998
  • Aclarubicin(ACL)-entrapped freeze dried liposomes were prepared using Microfludizer to attain a sustained release at targeted organs in a prolonged time so that it can reduce th e side effect and maximize the therapeutic effect. The freeze-dried liposomes were evaluated for pharmacokinetics, antitumor activity against Sarcoma 180, cytotoxicity against L1210 and A549 tumor cells, spleen toxicity and myelosuppressive action. The AUC0->8hr values were 122+/-42, 382+/-140, 419+/-171, 835+/-206 and 443+/-309mcg min/ml for free ACL. ACL-liposome formulation I, II, III and IV, respectively. Cytotoidcity of ACL-entrapped liposomes against L1210 and A549 tumor cells was 2-4 times higher than that of free aclarubicin. ACL-liposome formulation I(PC/CHOL/TA) showed the most potent antitumor activity against Sarcoma 180 in mice. The loss of body weight was much smaller with ACL-entrapped liposomes than free ACL after I.p. injection at a dose of 2 mg/kg/day. Compared to free ACL, ACL-entrapped liposomes expressed a lower and delayed spleen toxicity up to 5th day after I.v. administration. Myelosupperssion seemed to be lower with ACL-entrapped liposome of PC/PC-hydrate/CHOL/TA (formulation III) than free aclarubicin.

Design of RDBMS-based HDFS ACLs (RDBMS 기반 HDFS ACL 설계)

  • Son, Siwoon;Gil, Myeong-Seon;Moon, Yang-Sae;Nguyen, Minh Chau;Won, Hee-Sun
    • Proceedings of the Korea Information Processing Society Conference
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    • 2015.04a
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    • pp.697-699
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    • 2015
  • 본 논문에서는 하둡의 인메모리 기반 ACL(access control list)을 RDBMS 기반으로 관리하도록 기존 하둡을 재설계하였다. 기존 하둡은 ACL을 인메모리에서 관리하기 때문에 대용량 ACL 정보를 관리함에 있어 메모리 오버헤드, ACL 정보 관리의 비효율성 등 몇 가지 문제가 발생할 수 있다. 본 논문에서는 ACL 관리에 RDBMS를 사용함으로써 메모리 크기에 종속되지 않으며, 외부 응용 프로그램에서도 쉽고 일관성있게 ACL 정보를 관리할 수 있다. 이 같은 결과에 따라, 본 논문은 빅데이터를 하둡에서 안정하게 관리할 수 있는 우수한 연구 설계 결과라 생각된다.

Magnetic Resonance Imaging of ACL Injury (전방십자인대 손상의 자기공명영상)

  • Song, Eun-Kyoo
    • Journal of the Korean Arthroscopy Society
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    • v.1 no.1
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    • pp.31-35
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    • 1997
  • MRI(magnetic resonance imaging) is very useful to visualize the anterior cruciate ligament (ACL) injury of the knee. Differential features of ACL injury at MRI according to acute and chronic stage should be evaluated to enable accurate assessment of the integrity or ACL. Distinguishing features of normal anatomy. acute and chronic injuries or ACL at MRI will be reviewed.

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Treatment Principles of Anterior Cruciate Ligament Injury (전방십자인대 손상의 치료 원칙)

  • Ha, Kwon-Ick
    • Journal of the Korean Arthroscopy Society
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    • v.1 no.1
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    • pp.36-40
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    • 1997
  • Anterior Cruciate Ligament (ACL) plays an important biomechanical role for the stability of knee joint. ACL injury often leads to injuries of articular cartilage, menisci, or other supporting structures, and subsequent development of degenerative arthritis. Controversies still exist in the best treatment modalities of ACL injuries. hut the author considers it most important to make the appropriate patient selection for operative reconstruction or nonoperative treatment. and describes the treatment principles of ACL injury, including diagnosis, patient selection and the treatment modalities for successful treatment of ACL injury.

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