DIGITAL. Overview 8/26/2010 C B D B S N A. I. The place of prosopographical and network analysis in traditional and digital historical research TEXT

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1 利用 S N A C B D B Hilde De Weerdt University of Oxford 中国史研究与计算机技术国际学术工作坊 研究宋史 Overview 1) The place of prosopographical and network analysis in traditional and digital historical research 2) CBDB and the analysis of biji authors career trajectories network analysis based on CBDB data 3) CBDBandtheanalysisof analysis information networksin biji constructing the ego network of Wang Mingqing using CBDB biographical data as attributes for network nodes 4) Mapping multiplex ties social and political ties in manuscript and print publishing 5) Conclusion: visualization and analysis I. The place of prosopographical and network analysis in traditional and digital historical research DIGITAL NUMERIC TEMPORAL SPATIAL TEXT LINGUISTIC NETWORK SPATIAL SPATIAL Timeline of notebook printing, TEMPORAL Datestamp of entries in Huizhu lu 2 Locations of notebook printing in Southern Song Places of origin of interlocutors in Huizhu lu 1

2 NUMERIC NETWORK Huizhu lu 2 quotations tti by type and subtopic Network of authors and interlocutors by citation frequency in Huizhu lu 1 and 2. Song printed notebooks by century of completion and century of printing Network of producers of printed Song biji Term Siku freq Zhonghua freq 金人 大金 金國 5 5 虜 女真 0 1 契丹 L I N G U I S T I C A N A L Y S I S Source text type Number of occurrences War announcement 6 1 Military institutions survey 7 1 Other (memorial, envoy report, poem, memoir, anecdote, conversation, notebook entry copy) Number of entries Pro war memorial 3 1 Subtotal XML Digital text analysis Text analysis software 夷 18 (3) 34 狄 2 12 蠻 4 4 戎 醜 0 4 盟 酋 1 10 敵人 49 2 Comparison of character frequencies in different editions 金 collocates freq score word 人 大 國 寇 賊 使 兵 Text types and 夷 狄 蠻 戎 LINGUISTIC A. ENTRY II. CBDB and the analysis of biji authors 2

3 Percentage of methods of entry into officialdom for Song biji authors. Number of biji authors by type of entry into officialdom shown by date of entry. Numbers of biji authors printed in Song times for whom no entry data exist in CBDB. B. OFFICIAL CAREER The number of court postings of Northern Song printed biji authors by type of posting. The number of court postings of Southern Song printed biji authors by type of posting. 3

4 Number and type of associations for all producers of printed Song biji. C. CBDB RELATIONSHIPS Network of printed Song biji producers showing tie strength. Network of printed Song biji producers (excluding Yang Wanli) by clusters. Size of nodes marks degree of Eigenvector centrality. Problems Wang Mingqing s relationships to the second degree in CBDB (exported to UCINET) coverage of biographical and relationship data Hypotheses author backgrounds network development 4

5 Wang Mingqing s relationships to the second degree in CBDB (exported to ARCGIS) III. CBDB and the analysis of information networks in biji A. The Text as Database Author and Interlocutor Network (Huizhu 1 and 2) B. CBDB and node attributes N A M E S Authors in red; interlocutors in green. Outer circle: 1 reference; inner circles: 2 (light green) to 3 (dark green) and so up to 15 references. 5

6 Author network (authors to 959) Author network (authors ) Huizhu 2 Huizhu 2 Huizhu 1 Huizhu 1 D A T E S Author network (authors ) Author network (authors ) Huizhu 2 Huizhu 1 Interlocutors residential addresses Interlocutors office addresses P L A C E S Dark brown areas mark houlu interlocutors, white areas qianlu interlocutors, striped areas include both qianlu and houlu interlocutors. Numbers indicate number of resident interlocutors (multiple residencies included). Dark brown areas mark county and prefectural postings; shaded areas mark regional postings. Dot sizes mark number of postings (1 3). 6

7 Interlocutors: office types by jurisdiction (houlu) Interlocutors: local vs. regional offices (houlu) OFFICES Secondary interlocutors: office types by jurisdiction (houlu) Problems time place office Some preliminary results size and composition of oral information network composition of citation network of written sources Hypothesis horizontal dimensions of imperial information networks Network of contributors to the publication of Huizhu lu by tie types IV. Mapping multiplex ties Node size shows frequency of out degree ties. Colors indicate types of tie. 7

8 Network of contributors to the publication of Huizhu lu by tie strength Network of collectors Node size shows frequency of out degree ties. Colors indicate tie strength: lighter colors for weaker ties of gift exchange to darker colors for written communication, friendship and family ties. Names in red are collectors who are also linked to Wang Mingqing as informants; name in grey is not contemporary to Wang Mingqing. Map of Wang Mingqing s personal and career trajectory compared to residence of collectors Problems visualization and analysis Some preliminary results integration of manuscript and print publishing networks in the Chinese case Orange: prefectures where WMQ resided or served; Blue: prefectures where collectors lived; Striped: prefectures where WMQ and collectors overlapped. Experimental nature of digital analysis Benefits of multidimensional and multiperspectival analyses V. Conclusion Raises questions to be answered through a combination of quantitative and qualitative approaches Integration with cultural, intellectual, and political history 8