• Proceedings of the Korea Information Processing Society Conference
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• 2023.11a
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• pp.522-523
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• 2023

CTR(Click Through Rate) 예측은 사용자가 광고나 아이템을 클릭할 확률을 예측하는 데 사용되는 용어로, 광고 분야에서 중요한 연구 분야로 자리 잡았다. 인터넷 데이터의 양이 증가함에 따라, 전통적인 피쳐 엔지니어링의 인건비는 계속해서 상승하고 있다. 특징 상호 작용에 대한 의존도를 줄이기 위해, 본 논문은 TMH(Two-Tower Multi-Headed Attention Neural Network) 접근법이라고 하는 명시적인 특징 상호 작용과 암시적인 특징 상호 작용을 결합한 융합 모델을 제안한다. CTR 예측에서 TMH 의 효과를 평가하기 위해 3 개의 실제 데이터 세트를 사용하여 많은 수의 실험을 수행하였다. 성능은 3 개의 데이터 세트에서 0.12%, 0.41% 및 0.68%으로 향상되었다.

• Journal of KIBIM
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• v.12 no.1
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• pp.10-22
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• 2022

Prefabricated bridges require strict management of tolerance during fabrication and assembly. In this paper, digital engineering models for prefabricated bridge components such as deck, girder, pier, abutment are suggested to support information delivery through the life-cycle of the bridge. Rule-based modeling is used to define geometry of the members considering variable dimensions due to fabrication and assembly error. DfMA(design for manufacturing and assembly) provides the rules for ease of fabrication and assembly. The digital engineering model consists of geometry, constraints and corresponding parameters for each phase. Alignment and control points are defined to manage tolerances of the prefabricated bridge during fabrication and assembly. Quality control by digital measurement of dimensions was also considered in the model definition. A pilot bridge was defined virtually to validate the suggested digital engineering models. The digital engineering models for DfMA showed excellent potential to realize prefabricated bridges.

• Journal of the Korean Society of Systems Engineering
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• v.18 no.1
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• pp.99-104
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• 2022

In this paper, to increase the maintenance efficiency of the urban railway train control system and to build a standard data system, we collect as much as possible structured, unstructured, and semi-structured data, and collect data by sensing and monitoring the system status and system status and monitoring. pre-process function data(Identification, purification, integration, transformation) through effective data classification and maintenance activities business classification system was studied. The purpose of this is to define the data matrix model by considering the relationship with the data generated and managed in the O&M stage of the train control system operated by the urban railway together with the WBS model, and to reflect and utilize it in practice.

• Smart Media Journal
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• v.1 no.1
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• pp.48-52
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• 2012

A reliable test of offshore plant hold a key post in offshore engineering technology. The offshore self-supporting of process module design and basic design technology needs engineering verification based on the reliable test. And also reliable verification test data is very important. Therefore, verification test system for offshore installation simulation is necessary. This paper explains design of data acquisition system and control system based on the parameter of measured and controlled variable which is for establishing offshore installation simulation system.

• Journal of Korea Technology Innovation Society
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• v.9 no.2
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• pp.260-278
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• 2006

This paper provides an empirical evidence that the entry of a technology supplier depends on the markets for technology. In particular, using the chemical industry dataset, we test the hypothesis that the number of specialized engineering firms (SEFs) depends on the number of licensors in the market. Moreover, the number of plant investment, which is a market demand shifter is positively related with the entry of the SEFs, while the effect of the GDP pre capita does not have a significant effect on the entry of the SEFs.

• Proceedings of the KIEE Conference
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• 2015.07a
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• pp.557-558
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• 2015

IED와 상위운영시스템(정보연계장치 포함)으로 구성되는 디지털변전소의 변전자동화시스템은 계측/제어/보호/감시 등 모든 변전소의 정보의 흐름이 국제규격 IEC 61850 기반으로 네트워크 통신을 통해 이루어지는 시스템이다. 따라서 기존 제어케어블 사용시 변전소에서 신호 전달의 정확성을 위해 측정하였던 전기적 신호에 대한 점검을 대신하여, 디지털변전소의 데이터를 운송하는 혈관의 역할을 수행하는 네트워크 통신에 대한 건전성을 확인할 필요가 있다.

• Proceedings of the Korea Information Processing Society Conference
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• 2010.11a
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• pp.793-794
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• 2010

컴퓨터 상에서 차량의 실제 주행 환경을 모사하는 자동차 시뮬레이터 시스템은 운전자와의 상호작용이 요구되는 다양한 운전 보조 장비에 대해 그 성능과 기능을 미리 검토할 수 있는 장점이 있다. 본 연구에서는 네비게이션 단말기를 가상현실 기반 자동차 시뮬레이터 시스템에 적용하기 위한 연동 기술에 대해 알아 보았으며, 간단한 네비게이션 단말기와 시뮬레이터 시스템을 개발하여 이들의 연동을 위한 데이터 처리 방법을 소개하였다.

• Journal of Intelligence and Information Systems
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• v.29 no.4
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• pp.287-308
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• 2023

After launching its service in November 2022, ChatGPT has rapidly increased the number of users and is having a significant impact on all aspects of society, bringing a major turning point in the history of artificial intelligence. In particular, the inference ability of large language models such as ChatGPT is improving at a rapid pace through prompt engineering techniques. This reasoning ability can be considered as an important factor for companies that want to adopt artificial intelligence into their workflows or for individuals looking to utilize it. In this paper, we begin with an understanding of in-context learning that enables inference in large language models, explain the concept of prompt engineering, inference with in-context learning, and benchmark data. Moreover, we investigate the prompt engineering techniques that have rapidly improved the inference performance of large language models, and the relationship between the techniques.

• Journal of Software Assessment and Valuation
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• v.17 no.2
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• pp.39-46
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• 2021

To analyze and defend malware codes, reverse engineering is used as identify function location information. However, the stripped binary is not easy to find information such as function location because function symbol information is removed. To solve this problem, there are various binary analysis tools such as BAP and BitBlaze IDA Pro, but they are based on heuristics method, so they do not perform well in general. In this paper, we propose a technique to extract function information using LSTM-based models by applying algorithms of N-byte method that is extracted binaries corresponding to reverse assembling instruments in a recursive descent method. Through experiments, the proposed techniques were superior to the existing techniques in terms of time and accuracy.

• Journal of Advanced Marine Engineering and Technology
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• v.34 no.8
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• pp.1172-1179
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• 2010

In this paper, we analyze and design requirements of Network Function block and System Function block of MiTS network protocol based on Light-Weight Ethernet, also implement and test the protocol and library files. Light-Weight Ethernet Protocol consists of Network Function block and System Function block. NF receives and sends datagram based on UDP multi-casting communication. SF processes messages after distinguished Sentence and Binary Image Data.