1,721,342 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Selection of optimal candidate sites for Urban Air Mobility (UAM) within a maritime city using GIS-based prioritization weights : focusing on Busan metropolitan city
東京海洋大学修士学位論文 2023年度(2024年3月) 海運ロジスティクス 修士 第4373号指導教員: 渡部大輔全文公表年月日: 2024-05-2
Variations on the Author
“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
k平均法を用いた日本におけるダブル連結トラックの走行特性の分析評価に関する研究
東京海洋大学修士(工学)東京海洋大学修士学位論文 2021年度(2021年9月) 海運ロジスティクス 修士 第3665号指導教員: 渡部大輔全文公表年月日: 2021-11-30master thesi
GISに基づく優先順位付けの重みを用いた海事都市におけるUAM(Urban Air Mobility)の最適候補地の選定 : 韓国釜山市を対象として
東京海洋大学修士(工学)東京海洋大学修士学位論文 2023年度(2024年3月) 海運ロジスティクス 修士 第4373号指導教員: 渡部大輔全文公表年月日: 2024-05-28master thesi
プローブデータとドローン動画データを用いた高速道路SAにおける混雑状況の分析
東京海洋大学修士(工学)東京海洋大学修士学位論文 2024年度(2024年9月) 海運ロジスティクス 修士 第4412号指導教員: 渡部大輔全文公表年月日: 2025-03-11master thesi
Appropriate Similarity Measures for Author Cocitation Analysis
We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
タイランド湾におけるAISデータを用いた排出規制区域政策の影響評価
東京海洋大学修士(工学)東京海洋大学修士学位論文 2024年度(2024年9月) 海運ロジスティクス 修士 第4413号指導教員: 渡部大輔全文公表年月日: 2025-03-11master thesi
AISデータに基づく海洋環境と船舶交通の評価に関する研究
東京海洋大学博士(工学)東京海洋大学博士学位論文 2024年度(2024年9月) 応用環境システム学 課程博士 甲第710号指導教員: 渡部大輔doctoral thesi
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