• Annual Conference of KIPS
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• 2023.11a
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• pp.842-843
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• 2023

Covid-19으로 인한 언택트(Untact) 문화의 확산으로 키오스크 주문과 같은 비대면 서비스가 증가하였다. 본 연구에서는 비대면 서비스로 인해 발생하는 정보격차 및 접근성 문제를 해결하기 위해 AI 기술과 사용자 인터페이스를 결합하여 개인 맞춤화된 키오스크를 소개한다. 본 연구에서 개발된 AI 키오스크는 자연어 처리기술을 활용한 음성 주문을 통해 편리성을 증진하고, 딥러닝 기술을 이용한 연령대 인식, 사용자의 알레르기 정보를 고려한 메뉴 추천을 통해 사용자에게 맞춤화된 서비스를 제공한다. 개발된 키오스크를 통해 개인화된 서비스를 개선할 수 있으며 더불어 정보 취약계층 간의 정보격차를 해소할 수 있다.

• Proceedings of the IEEK Conference
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• 2003.07c
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• pp.2557-2560
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• 2003

By adding user interface to the usual router, an improved functional router is implemented in this paper. The proposed router is developed based on the SA1110 processor, and the system contains 1 ethernet port, 2 PCMCIA slots, and 1 serial communication port. The Emdedded Linux is adopted as an operating system, and application programs are implemented by using QT/Embedded.

• Proceedings of the IEEK Conference
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• 2003.07d
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• pp.1593-1596
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• 2003

In this paper, we propose mechanism of system call control, monitor, and manage by user level, and for this purpose we propose the mechanism using system call intercept and a logging system. Proposed mechanism is more convenient in that there is no necessity for modification of linux source code, so general users can actively apply and modify. As an application model for the mechanism, we can explain for the Daemon Process Protection System which can have a complete control on system daemon processes.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 1997.10a
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• pp.188-192
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• 1997

A study was conducted to improve validity in new BOM structure through using the similitude of existing BOM in the PDM. The system is developed in Web-Based PDM environments using servlets and database. The system provides the correlation information between parts to inflect the reusability of existing BOM. User-defined correlation is used to inform the relations between design precedence and co-relations of parameters. Realistic application in injection mold production is constructed using this structure.

• Proceedings of the IEEK Conference
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• 2003.07a
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• pp.210-213
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• 2003

This paper presents a beamforming algorithm for the uplink application of a linear array antenna for WCDMA system. A steering beamforming algorithm is designed using a block DFT algorithm and its performance is analyzed and verified using computer simulations. Various environmental parameters such as the number of antenna elements, the number of users, the mobility of the target user, and the status of fast power control are reflected in the simulation study providing themselves as useful design and implementation guides for the reverse link beamforming of WCDMA system.

• Journal of the Korean Institute of Telematics and Electronics A
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• v.32A no.9
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• pp.1202-1208
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• 1995

Inter-processor communication is required to manage resources in ATM switching system where processors are distributed. ATM switching system, which was developed in our institute, does't have dedicated communication path for inter-processor communication, but use the ordinary switching network same as user data. Therefore, we should test communication paths and equipments before running various application software programs. In this paper, we propose a method to test communication paths between processors in ATM switching system and describe an implemented program using this method.

• Proceedings of the IEEK Conference
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• 2002.06e
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• pp.117-120
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• 2002

This paper is to develop the sensing system for opening-force measurement such as O-Ring muscular meridian. We designed to overcome the functional limit that the conventional force-sensor can measure just the closing-force. Therefore, the new sensor can meet a variety of application as well as O-Ring test. The structure of the new sensor is an actuator-type system using an electromagnet. That is made up of mechanical system, electromagnet, current transformer and computer interface circuit. Driving software and user interface program of the new sensor system also is explained in this paper.

• Korean Management Science Review
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• v.12 no.3
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• pp.135-161
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• 1995

This paper is concerned with a conceptual design of a knowledge-based modeler for network analysis. The "knowledge-based modeler" approach is suggested as a method for incorporating the user's qualitative knowledge and subjective decison in the course of the mathematical modeling and the subsequent solution procedure. The submodules of the proposed modeler such as database, model/algorithm base and functional knowledge bases are identified and the flows of information between the submodules are sequentially defined. A prototype system is implemented for experimental purpose by using the application software GURU.ware GURU.

• Proceedings of the IEEK Conference
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• 2002.06a
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• pp.343-346
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• 2002

This paper presents a Prototype system developed for a Bluetooth interfaced VoIP system. The VoIP phone is developed based on tile implementation of a CELP coder on the TI 16bit DSP Processor A PC interfaced with Bluetooth module is used to designing a access point system. Host controller protocol stack is implemented to realize gateway between the wireless and wired line networks. A server application program for user management and call processing, which is based on TCP/IP peer to peer connection, is implemented for tile evaluation of overall interface system.

• Journal of the Korea Society for Simulation
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• v.11 no.4
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• pp.15-23
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• 2002

As recently the network environment and application services have been more complex and diverse, there has. In this paper we introduce a scheme the extract useful information for network management by analyzing traffic data in user login file. For this purpose we use classification and association rule based on episode concept in data mining. Since login data has inherently time series characterization, convertible data mining algorithms cannot directly applied. We generate virtual transaction, classify transactions above threshold value in time window, and simulate the classification algorithm.