• Title/Summary/Keyword: Data retrieval

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Double Anchors Preference Model (DAPM) : A Decision Model for Non-binary Data Retrieval (양기준 선호모형: 비 정형적 자료검색을 위한 의사결정 모형)

  • Lee, Chun-Yeol
    • Asia pacific journal of information systems
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    • v.2 no.1
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    • pp.3-15
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    • 1992
  • This paper proposes a new referential model for data retrieval as an alternative to exact matching. While exact matching is an effective data retrieval model, it is based on fairly strict assumptions and limits our capabilities in data retrieval. This study redefines data retrieval to include non-binary data retrieval in addition to binary data retrieval, proposes Double Anchor Preference Model (DAPM), and analyzes its logical charateristics. DAPM supports non-binary data retrieval. Further, it produces the same result as exact matching for the conventional binary data retrieval. These findings show that, at the logical level, the proposed DAPM retains all the desirable features for data retrieval.

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Video Data Retrieval System using Annotation and Feture Information (주석정보와 특징정보를 애용한 비디오데이터 검색 시스템)

  • Lee, Keun-Wang
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.7 no.6
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    • pp.1129-1133
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    • 2006
  • In this thesis, we propose a semantics-based video retrieval system which supports semantics-retrieval for various users of massive video data. Proposed system automatically processes the extraction of contents information which video data has and retrieval process using agent which integrate annotation-based retrieval and feature-based retrieval. From experiment, the designed and implemented system shows increase of recall rate and precision rate for video data scene retrieval in performance assessment.

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A Study on Content-based Image Information Retrieval Technique (내용기반 영상정보 검색기술에 관한 이론적 고찰)

  • 노진구
    • Journal of Korean Library and Information Science Society
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    • v.31 no.1
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    • pp.229-258
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    • 2000
  • The growth of digital image an video archives is increasing the need for tools that efficiently search through large amount of visual dta. Retrieval of visual data is important issue in multimedia database. We are using contented-based visual data retrieval method for efficient retrieval of visual data. In this paper, we introduced fundamental techniques using characteristic values of image data and indexing techniques required for content-based visual retrieval. In addition we introduced content-based visual retrieval system for use of digital library.

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An Efficient Information Retrieval System for Unstructured Data Using Inverted Index

  • Abdullah Iftikhar;Muhammad Irfan Khan;Kulsoom Iftikhar
    • International Journal of Computer Science & Network Security
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    • v.24 no.7
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    • pp.31-44
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    • 2024
  • The inverted index is combination of the keywords and posting lists associated for indexing of document. In modern age excessive use of technology has increased data volume at a very high rate. Big data is great concern of researchers. An efficient Document indexing in big data has become a major challenge for researchers. All organizations and web engines have limited number of resources such as space and storage which is very crucial in term of data management of information retrieval system. Information retrieval system need to very efficient. Inverted indexing technique is introduced in this research to minimize the delay in retrieval of data in information retrieval system. Inverted index is illustrated and then its issues are discussed and resolve by implementing the scalable inverted index. Then existing algorithm of inverted compared with the naïve inverted index. The Interval list of inverted indexes stores on primary storage except of auxiliary memory. In this research an efficient architecture of information retrieval system is proposed particularly for unstructured data which don't have a predefined structure format and data volume.

Design of Indexing Agent for Semantic-based Video Retrieval (의미기반 비디오 검색을 위한 인덱싱 에이전트의 설계)

  • Lee, Jong-Hee;Oh, Hae-Seok
    • The KIPS Transactions:PartB
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    • v.10B no.6
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    • pp.687-694
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    • 2003
  • According to the rapid increase of multimedia data quantity recently, various means of video data search has been desired. In order to process video data effectively, it is required that the content information of video data is loaded in database and semantic-based retrieval method can be available for various query of users. Currently existent contents-based video retrieval systems search by single method such as annotation-based or feature-based retrieval, and show low search efficiency and requires many efforts of system administrator or annotator form less perfect automatic processing. In this paper, we propose semantic-based video retrieval system which support semantic retrieval of various users by feature-based retrieval and annotation-based retrieval of massive video data. By user's fundamental query and selection of image for key frame that extracted from query, the agent gives the detail shape for annotation of extracted key frame. Also, key frame selected by user become query image and searches the most similar key frame through feature based retrieval method that propose. Therefore, we design the system that can heighten retrieval efficiency of video data through semantic-based retrieval.

The Design Interface for Retrieval Meaning Base of User Mobile Unit (모바일 단말기에서 사용자의 의미기반 검색을 위한 인터페이스 설계)

  • Cho, Hyun-Seob;Oh, Hun
    • Proceedings of the KIEE Conference
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    • 2007.07a
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    • pp.1665-1667
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    • 2007
  • Recently, retrieval of various video data has become an important issue as more and more multimedia content services are being provided. To effectively deal with video data, a semantic-based retrieval scheme that allows for processing diverse user queries and saving them on the database is required. In this regard, this paper proposes a semantic-based video retrieval system that allows the user to search diverse meanings of video data for electrical safetyrelated educational purposes by means of automatic annotation processing. If the user inputs a keyword to search video data for electrical safety-related educational purposes, the mobile agent of the proposed system extracts the features of the video data that are afterwards learned in a continuous manner, and detailed information on electrical safety education is saved on the database. The proposed system is designed to enhance video data retrieval efficiency for electrical safety-related educational purposes.

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Image Clustering using Improved Neural Network Algorithm (개선된 신경망 알고리즘을 이용한 영상 클러스터링)

  • 박상성;이만희;유헌우;문호석;장동식
    • Journal of Institute of Control, Robotics and Systems
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    • v.10 no.7
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    • pp.597-603
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    • 2004
  • In retrieving large database of image data, the clustering is essential for fast retrieval. However, it is difficult to cluster a number of image data adequately. Moreover, current retrieval methods using similarities are uncertain of retrieval accuracy and take much retrieving time. In this paper, a suggested image retrieval system combines Fuzzy ART neural network algorithm to reinforce defects and to support them efficiently. This image retrieval system takes color and texture as specific feature required in retrieval system and normalizes each of them. We adapt Fuzzy ART algorithm as neural network which receive normalized input-vector and propose improved Fuzzy ART algorithm. The result of implementation with 200 image data shows approximately retrieval ratio of 83%.

Contents-based Image Retrieval using Fuzzy ART Neural Network (퍼지 ART 신경망을 이용한 내용기반 영상검색)

  • 박상성;이만희;장동식;김재연
    • Journal of the Institute of Convergence Signal Processing
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    • v.4 no.2
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    • pp.12-17
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    • 2003
  • This paper proposes content-based image retrieval system with fuzzy ART neural network algorithm. Retrieving large database of image data, the clustering is essential for fast retrieval. However, it is difficult to cluster huge image data pertinently, Because current retrieval methods using similarities have several problems like low accuracy of retrieving and long retrieval time, a solution is necessary to complement these problems. This paper presents a content-based image retrieval system with neural network in order to reinforce abovementioned problems. The retrieval system using fuzzy ART algorithm normalizes color and texture as feature values of input data between 0 and 1, and then it runs after clustering the input data. The implemental result with 300 image data shows retrieval accuracy of approximately 87%.

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Building of Database Retrieval System based on Knowledge using FCM (FCM을 이용한 지식기반 데이터 베이스 검색 시스템의 구축)

  • 서기열;박계각;천대일;양원재
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2000.11a
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    • pp.205-208
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    • 2000
  • Conventional database retrieval system have problems of being able to select data out of database only if the data exactly equal to retrieval conditions offered by users. If there are no data in database which exactly equal to users retrieval conditionals, the system can not provide adequate data. To solve these problems, cluster increase of FCM and re-initialization of algorithm were suggested in this study. And by interlocking knowledge-based database, built with FCM, to image database, new retrieval system was built to provide the data which are most appropriate for the requirement of users. We applied this new retrieval system to gift selection database system in pamphlet of mail order, and confirmed its effectiveness.

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Wireless Network Health Information Retrieval Method Based on Data Mining Algorithm

  • Xiaoguang Guo
    • Journal of Information Processing Systems
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    • v.19 no.2
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    • pp.211-218
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    • 2023
  • In order to improve the low accuracy of traditional wireless network health information retrieval methods, a wireless network health information retrieval method is designed based on data mining algorithm. The invalid health information stored in wireless network is filtered by data mapping, and the health information is clustered by data mining algorithm. On this basis, the high-frequency words of health information are classified to realize wireless network health information retrieval. The experimental results show that exactitude of design way is significantly higher than that of the traditional method, which can solve the problem of low accuracy of the traditional wireless network health information retrieval method.