Development of a Digital Portfolio Retrieval System which Reflects Keyword Similarity and an Assessment of its Retrieving Efficiency : A Case Study of ICT Education Using Prior Students' Digital Portfolios

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  • KITAZAWA Takeshi
    Tokyo institute of Technology, Graduate School of Decision Science and Technology
  • KATO Hiroshi
    National Institute of Multimedia Education:The Graduate University for Advanced Studies
  • AKAHORI Kanji
    Tokyo institute of Technology

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  • 用語間の関係の強さに着目したデジタルポートフォリオ検索支援システムの開発と評価 : 先輩学習者のポートフォリオを用いた授業実践を事例として
  • ヨウゴ カン ノ カンケイ ノ ツヨサ ニ チャクモク シタ デジタルポートフォリオ ケンサク シエン システム ノ カイハツ ト ヒョウカ センパイ ガクシュウシャ ノ ポートフォリオ オ モチイタ ジュギョウ ジッセン オ ジレイ ト シテ

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Abstract

This paper describes the development of a digital portfolio retrieval system entitled Portfolio Retrieval for Investigating Useful Material (PRIUM) which reflects keyword similarity. PRIUM was used as an information retrieval tool for an Information Communication Technology (ICT) education class at a primary school. The findings are that elementary school students who used PRIUM could find electronic portfolios they wanted quickly, because PRIUM lessens the need for seeing electronic portfolios they didn't want. In addition, it is clear that electronic portfolios which were made by prior students provide students with useful information even when such electronic portfolios are provided as teaching materials without relying on retrieval systems.

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