• Title/Summary/Keyword: Information Retrieval Engine

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Comparison and Evaluation of Web-based Image Search Engines (이미지정보 탐색을 위한 웹 검색엔진의 비교 평가)

  • Kim, Hyo-Jung
    • Journal of Information Management
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    • v.31 no.4
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    • pp.50-70
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    • 2000
  • Since the contents of internet resources are beginning to include texts, images and sounds, different Web-based image search engines have been developed accordingly. It is a fact that these diversities of multimedia contents have made search process and retrieval of relevant information very difficult. The purpose of the study is to compare and evaluate its special features and performance of the existing image search engines in order to provide user help to select appropriate search engines. The study selected AV Photo Finder, Lycos MultiMedia, Amazing Picture Machine, Image Surfer, WebSeek, Ditto for comparison and evaluation because of their reputations of popularity among users of image search engines. The methodology of the study was to analyze previous related literature and establish criteria for the evaluation of image search engines. The study investigated characteristics, indexing methods, search capabilities, screen display and user interfaces of different search engines for the purpose of comparison of its performance. Finally, the study measured relative recall and precision ratios to evaluate their electiveness of retrieval under the experimental set up. Results of the comparative analysis in regard to its search performance are as follows. AV Photo Finder marked the highest rank among other image search engines. Ditto and WebSeek also showed comparatively high precision ratio. Lycos MultiMedia and Image Surfer follows after them. Amazing Picture Machine stowed the lowest in ranking.

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A Comparison of web Searching and Library System Searching: Perceived Difficulty, Self-Efficacy, and Effort (웹과 도서관 시스템에서 이용자 정보탐색 비교연구)

  • Rieh, Soo-Young
    • Journal of the Korean Society for information Management
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    • v.24 no.2
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    • pp.29-44
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    • 2007
  • The purpose of this study was to explore whether the concept of amount of invested mental effort (AIME) developed in the field of educational psychology can help explain why people put so little effort into online searching. In this experimental study, two information retrieval systems - a web search engine and a university library system - were used to make a comparison. The data were collected from 15 undergraduate students through background questionnaires, think-aloud protocols, search logs, post-search questionnaires, and post-task interviews. The findings indicate that perception of the web's "easy-ness" and high levels of self confidence in searching capability led the subjects to put less effort into web searching than they do into library system searching. In addition, the perceived difficulty of search task influenced the extent of mental effort invested. The AIME proved a useful framework for understanding search behavior and user experience for both web search engines and library systems.

Implementation of total management system for exhibitions and Convention using beacon (Beacon기술을 이용한 MICE시스템 설계 및 구현)

  • Kim, Young-Ick;Kim, Mijung;Kim, Hyu-Chan
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.6 no.2
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    • pp.35-44
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    • 2016
  • MICE industry is emerging as a new growth engine recently. Most of the domestic MICE events are carried out at low cost on a small scale. The event organizers want to cut down on costs of prints such as brochures and other promotional printed materials, as well as the personnel costs for the simple guide job needed on site, which are generated repeatedly and wastefully. The existing mobile web has a defect that the participants can't easily earn the information in the fixed menu, but have to search by themselves wasting lots of time. Therefore, it is necessary to develop the solution enables providing information efficiently at low cost for short-term use during the events. In this study, we implemented specific total management system for exhibitions and convention using beacon. The information system for exhibitions and events using beacon can raise the management efficiency, and the digital brochure function based on CMS heightens the information retrieval ability and also reduces costs. Organizers can manage their event efficiently in a small exhibition and convention event by running an online website and operate a site management system by them selves.

The Design and Implementation of a Traffic Order and Safety Education System for Kid on Web (웹기반 어린이 교통 질서 및 안전 교육 시스템의 설계 및 구현)

  • An, Syung-Og
    • The Journal of Engineering Research
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    • v.3 no.1
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    • pp.7-20
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    • 1998
  • With our economic development and increment and increment of GNP, the number of autos has incremented. But lacking in mind for traffic safety and traffic order, many traffic accidents have occurred. So the purpose of development of traffic safety education system based on web is to advertise the importance and the need of traffic order and safety education and protect walkers and drivers from traffic accidents. The Contents and Scopes of Study Development are as follows. There are input of text, image and moving image data for traffic safety education, establishment of hierarchical relation for traffic safety education, relation analysis between traffic safety education information and design of hyper link structure between them, thesaurus implementation for traffic safety education system, design and implementation of information retrieval engine based on thesaurus, design and implementation of database schema for traffic safety education and GUI implementation for user.

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Automatic Extract User Intention from Web Search Log (웹 정보 검색 이력을 이용한 사용자 의도 자동 추출)

  • Park, Kinam;Jung, Soonyoung;Suh, Taewon;Ji, Hyesung;Lee, Taemin;Lim, Heuiseok
    • The Journal of Korean Association of Computer Education
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    • v.12 no.6
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    • pp.21-32
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    • 2009
  • This paper proposes a method to extract a user's intention automatically and implementation of intention map that support a user can appropriate search results using a user' information need accurately. It selects user intention based on searching history obtained from previous users' same queries and extracts user intentions by using clustering algorithm and user intention extraction algorithm, extracted user intentions are represented in an intention map base on a theory of knowledge representation. For the efficiency analysis of intention map, we extracted user intentions using 2,600 search history data which provided by a current domestic commercial search engine. The experimental results using the information intention map search when using general search engines represent more than satisfaction was statistically significant.

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Visualizing Fuzzy Set Based on Venn Diagram (벤 다이어그램 기반 퍼지 집합 시각화)

  • Park, Ye-Seul;Park, Jin-Ah
    • 한국HCI학회:학술대회논문집
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    • 2009.02a
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    • pp.15-20
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    • 2009
  • Much amount of data which demand fuzzy information system requires various analysis through the fuzzy set visualization. Therefore, this study proposes how to visualize fuzzy data set using variation of Venn diagram. For the fuzzy data which are related to many topics and have ranking of relation, this way gives results that users want by visualizing intersection, union and complementary set. That is, it visualizes the set of fuzzy data which have many topics at once, or the set of all fuzzy data which has topics, or the set of fuzzy data not related to a topic. Users control these sets by overlapping or piling them; visualized with Venn diagram, which is user-oriented. One distinct advantage of this visualization is the fact that it delivers web documents which users of search engine and web developers want much quickly. Furthermore, its possibility can be expanded to several purposes by using for information retrieval.

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Standard Translation of Terms of Korean Medicine through Consideration of Chinese-Korean Collated Medical Classics - With focus on 『Eonhaegugeupbang』, 『Eonhaetaesanjipyo』 and 『Eonhaetaesanjipyo』 - (언해의서 비교고찰을 통한 한의학용어의 번역표준안 - 『언해두창집요』, 『언해구급방』, 『언해태산집요』를 중심으로)

  • Ku, Hyunhee;Kim, Hyunkoo;Lee, JungHyun;Oh, Junho;Kwon, Ohmin
    • Korean Journal of Oriental Medicine
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    • v.18 no.3
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    • pp.49-61
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    • 2012
  • This article set out to develop an old Chinese - modern Korean collated terminology by analyzing and paralleling Chinese-Korean translational terms relevant to Korean medicine at a minimum meaning unit from "Eonhaegugeupbang", "Eonhaetaesanjipyo" and "Eonhaetaesanjipyo". Those are composed of original Chinese texts and their subsequent corresponding Korean translations. It tries to make a list of translational standards of Korean medicine terms by classifying the cases of translational ambiguity in terms of disease, body position, thumbnail-pressing acupuncture method, and disease-curing method. The above-mentioned ancient books are medical classics written by Huh Jun, the representative medical physician, and published by the Joseon government. Thus, they are appropriate enough as historically legitimate medical documents, from which are drawn out words and terms to form an old Chinese - modern Korean collation dictionary. This collation glossary will contribute to the increased relevance of data ming, or information retrieval. in a database system and information search engine of massive Korean medical records, by means of providing a novel way to obtaining synchronized results between the original writings of old Chinese and the secondary translated ones of modern Korean. The glossary will promote the collective but consistent translation of numerous old archives of Korean medicine and in other related fields as well.

Design and Implementation of the Endoscope Image Store System in the Orthopedics (정형외과 관절경 영상 저장 시스템의 설계 및 구현)

  • 심갑식;정태영
    • Journal of the Korea Society of Computer and Information
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    • v.7 no.4
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    • pp.8-15
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    • 2002
  • This Paper proposes designing and implementing the database system storing the medical images. This system collects the medical image when doctors operate and diagnose the patients using the endoscope in the orthopedics, then stores the medical image data to database. Therefore. system avoids duplicated medical data, retrieves and updates the medical data effectively. The medical image data can be shared to the multiple users and application programs. This system consists of the five components. that is, the input module acquiring the medical image from the endoscope. the modulo storing the medical image. the database design and implementation storms the patient's disease history and the medical image data, user friendly interface design and implementation, and the simple data retrieval engine. The features of the system are followed. The image catcher program using DirectShow is portable any image catcher board And because the image catcher algorithm is implemented as a public module, The throughput can be increased during the development of video and audio contents on internet.

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Inverse Document Frequency-Based Word Embedding of Unseen Words for Question Answering Systems (질의응답 시스템에서 처음 보는 단어의 역문헌빈도 기반 단어 임베딩 기법)

  • Lee, Wooin;Song, Gwangho;Shim, Kyuseok
    • Journal of KIISE
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    • v.43 no.8
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    • pp.902-909
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    • 2016
  • Question answering system (QA system) is a system that finds an actual answer to the question posed by a user, whereas a typical search engine would only find the links to the relevant documents. Recent works related to the open domain QA systems are receiving much attention in the fields of natural language processing, artificial intelligence, and data mining. However, the prior works on QA systems simply replace all words that are not in the training data with a single token, even though such unseen words are likely to play crucial roles in differentiating the candidate answers from the actual answers. In this paper, we propose a method to compute vectors of such unseen words by taking into account the context in which the words have occurred. Next, we also propose a model which utilizes inverse document frequencies (IDF) to efficiently process unseen words by expanding the system's vocabulary. Finally, we validate that the proposed method and model improve the performance of a QA system through experiments.

A Reranking Method Using Query Expansion and PageRank Check (페이지 랭크지수와 질의 확장을 이용한 재랭킹 방법)

  • Kim, Tae-Hwan;Jeon, Ho-Chul;Choi, Joong-Min
    • The KIPS Transactions:PartB
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    • v.18B no.4
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    • pp.231-240
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    • 2011
  • Many search algorithms have been implemented by many researchers on the world wide web. One of the best algorithms is Google using PageRank technology. PageRank approach computes the number of inlink of each documents then ranks documents in the order of inlink members. But it is difficult to find the results that user needs, because this method find documents not valueable for a person but valueable for the public. To solve this problem, We use the WordNet for analysis of the user's query history. This paper proposes a personalized search engine using the user's query history and PageRank Check. We compared the performance of the proposed approaches with google search results in the top 30. As a result, the average of the r-precision for the proposed approaches is about 60% and it is better as about 14%.