1,721,087 research outputs found
CUHK electronic theses & dissertations collection
No full textTong Hung Man Joanna."June 2004."Thesis (Ph.D.)--Chinese University of Hong Kong, 2004.Includes bibliographical references (p. 137-149).Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.Mode of access: World Wide Web.Abstracts in English and Chinese
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Hierarchical Proximity Join:A Proximity-Aware Peer-to-Peer System
No full text由於點在加入P2P網路時，往往都不會考慮到下層的實體網路拓墣，因此導致拓樸失調問題(topology mismatch problem)，許多學者致力於研究路由(routing)跟搜尋(search)的機制來提高P2P的整體效能，但也因為拓樸失調的問題，使得他們所提出的改善方法因此大打了折扣。拓樸失調不僅會帶來許多不必要的訊息量，也會讓訊息的回覆時間增加，在P2P的網路中，回應的時間是使用者比較關心的議題。
因此為了解決拓樸失調的問題，本研究以Gutella網路為底層，提出了一個階層式加入方法(Hierarchical Proximity Join, HPJ)，是在節點加入網路的時候考慮到鄰近性問題，讓節點可以加入在實體網路中確實離自己比較近的地方，每個網路中的節點都會記錄一個階層式的相鄰節點表(Hierarchical Neighbor Table)，新加入的點會利用這個表來找到最適合加入的節點，讓上層的P2P覆蓋網路能夠與下層實體網路更接近。我們的實驗也證明了HPJ確實可以讓覆蓋網路與實體網路之間的差異變小，且在可以接受的搜尋成功率下，也讓搜尋的回應時間縮短許多，因此解決的拓樸失調的問題。P2P (Peer-to-Peer) file sharing, which is one of the most popular applications, has recently gained significant attention in both academic and industrial areas. However, in most P2P systems, the overlay network is built independent of the physical network. The topology mismatch problem greatly limits the system performance.
In this paper, we proposed a hierarchical proximity join(HPJ) mechanism based on Gnutella P2P system and aiming at alleviating the mismatch problem. The mechanism is adopted when peers joining and makes the overlay network be more close to the physical topology. A new peer gets proximity information from some active peers in the network. Our studies tells that HPJ alleviates the mismatch problem and shortens search response time.1 Introduction . . . . . . . . . . . . . . 1
2 Related Work . . . . . . . . . . . . . . 4
2.1 Gnutella . . . . . . . . . . . . . . . . 4
2.2 Proximity Approach . . . . . . . . . . . 5
2.2.1 Proximity Join . . . . . . . . . . . . . 6
2.2.2 Proximity Routing Table Construction . . 7
2.2.3 Proximity Routing . . . . . . . . . . . 8
2.2.4 Adaptive Proximity . . . . . . . . . . . 9
2.2.5 Brief Summary . . . . . . . . . . . . . 10
2.3 Some ProximityMechanisms . . . . . . . . 10
2.3.1 Mithos . . . . . . . . . . . . . . . . . 10
2.3.2 LTM . . . . . . . . . . . . . . . . . . 11
3 SystemDesign . . . . . . . . . . . . . . 14
3.1 Neighbor Table Construction . . . . . . 15
3.2 Node Join . . . . . . . . . . . . . . . 17
4 Simulation . . . . . . . . . . . . . . . 20
4.1 Simulation Setup . . . . . . . . . . . . 20
4.2 Simulation Results . . . . . . . . . . . 21
4.2.1 Routing Stretch . . . . . . . . . . . . 23
4.2.2 Search Scope . . . . . . . . . . . . . . 27
4.2.3 Search Results . . . . . . . . . . . . . 33
4.2.4 Search with High Links . . . . . . . . . 38
5 Conclusion . . . . . . . . . . . . . . . 40
Bibliography . . . . . . . . . . . . . . . . . 4
Variations on the Author
Full text link“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
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe 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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
An urban redevelopment process in Wa In Fong.
Full text linkPoon Hung Man Samuel."Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2000-2001, design report."Includes bibliographical references.Chapter 010 --- briefChapter 020 --- 城寨追憶initiationChapter - --- kowloon walled cityChapter 030 --- 時間滾輪changeChapter - --- changing of placeChapter - --- how to face the changeChapter 040 --- 戲如人生performanceChapter - --- are we actingChapter - --- where are weChapter - --- is life trueChapter 050 --- 轉變之間dramaticsChapter - --- dramaticsChapter - --- scenario of life/timeChapter - --- impact of dramatics/timeChapter 060 --- 無上無下theatreChapter - --- theatre and architectureChapter - --- definition of theatreChapter - --- lamChapter 070 --- 演出轉變evolutionChapter - --- event or processChapter - --- participantsChapter - --- organic or syntheticChapter - --- "architects, directors or stage designer"Chapter - --- reference: New Theory of Urban DesignChapter 080 --- 城市心靈siteChapter - --- Staunton streetChapter - --- wa in fongChapter - --- architectural articulationChapter - --- interview with local inhabitantsChapter 090 --- 劇情發展architectural discourseChapter - --- process exerciseChapter - --- transformationsChapter - --- "comments (dec, 2000)"Chapter 100 --- 重新定位re-configurationChapter - --- genesis & argumentChapter - --- methodologyChapter - --- reference from performanceChapter 1 --- first man childChapter 2 --- i-deal schoolChapter - --- the processChapter 110 --- 後期製作consolidationChapter - --- the basic strategyChapter - --- the schematic appearance of the scenariosChapter 120 --- 劇場展現presentationChapter - --- process indexChapter - --- siteplan & overviewChapter - --- process directoryChapter - --- the primary circulation system: scaffoldingChapter - --- the future accommodationChapter 130 --- 回顧展望epilogueChapter - --- "comments (27 april, 2001)"Chapter - --- responsesChapter - --- to prospectChapter - --- bibliograph
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