Justus Broß’s research while affiliated with Hasso Plattner Institute and other places

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Publications (37)


Continent of Docu-Blogs Use Case: The IT-Gipfelblog
  • Chapter

January 2015

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9 Reads

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Justus Broß

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The Internet is not the first innovation which people have expected to lead to an enhanced sense of togetherness, understanding and even world peace. After the establishment of the first stable telegraphic connection, both radio and television have subsequently been supercharged with such utopian expectations, only to be rapidly demystified thereafter. The Internet is no different. Nicholas Negroponte, an early visionary of web culture, still prophesized in 1997 that the Internet would overcome nationalism and create world peace [Neg97]. Since then, however, all kinds of radical groups and unions have been quick to instrumentalize the new medium for their causes, putting an end to such romantic expectations. The Internet differs from its predecessors in communications technology in a fundamental way: It is a decentralized technology and the first medium ever to function without a vulnerable core which makes it impossible to control. Until now, no government – not even the Chinese leadership through its nationwide firewall – has managed to bring this digital network under its control [Neg97, Bla08]. This unique characteristic is the reason why the dream of the digital democracy (hereafter referred to as e-Democracy ), and a society free of the influence of manipulated media and lobbyism, stays alive [Mac04]. In the US, for instance, the Internet has become the primary source of information for the majority of citizens. According to the Spew Center for the People and the Press in Washington D.C., the Internet is already the most important contact point for news about electoral campaigns for the age group between 18 and 29 years [Pew08]. This is not only beneficial to the websites of traditional media corporations but also particularly important for weblogs and big social networking platforms like myspace.com, facebook.com or youtube.com. The focus here is not only on clicks. While the Clinton campaign was focusing on big campaign contributions, the campaign of Barack Obama mobilized over a million small-time donors through the use of the Internet [Bla08]. This illustrates that even though it might be too early to speak about real e-Democracy, the Internet nevertheless has a strong influence on political campaigns. How exactly can the participative character of the Web 2.0 enhance or enable democratic decision making processes and which ICT is the most suitable to achieve maximum success in this regard?


Blogosphere and its Exploration

January 2015

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49 Reads

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12 Citations

This book represents an attempt to fully review the phenomenon of the blogosphere. The intention is to provide a reliable guide to understanding and analyzing the world of the unimaginable number of diverse blogs, each consisting of innumerable posts, which in their entirety form the blogosphere. We go on to answer the questions of how to grasp the complexity of the blogosphere and extract useful knowledge from it. In setting out to write this book, our central aim was to increase the reader's awareness and understanding of the blogosphere phenomenon, including its structure and characteristics. This can be achieved through a better understanding of individual blogs and their particular technical characteristics, as well as a deeper knowledge of how a single blog is embedded and interconnected within the entire blogosphere. The shape and form of the blogosphere can be described using the analogy of different continents. In our description the defining features and characteristics of the continents are illustrated by paradigmatic example blogs. Following on from the structural analysis we provide details of the available methods and describe the complex challenge of automatically retrieving information from the abundance of data contained in the blogosphere. Finally, we present our blog search platform, called BLOGINTELLIGENCE and describe all the tools and features we have developed during the last couple of years to explore the blogosphere.


Data Extraction

January 2015

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1,273 Reads

The massive adoption of social media has provided new ways for individuals to express their opinions online. The blogosphere, an inherent part of this trend, contains a vast array of information about a variety of topics. It functions as a huge think tank creating an enormous and ever changing archive of open source intelligence. Mining and modeling this vast pool of data to extract, exploit and describe meaningful knowledge, in order to leverage structures and dynamics of emerging networks within the blogosphere, is the higher-level aim of the research presented here. Some of the statistics described here are from a test phase 4 years ago. We decided to use these statistics at some points since they provide a better understanding.


Towards an Exploration Machine for the Blogosphere

January 2015

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4 Reads

The analysis of data generated within and from the blogosphere’s network can be insightful for numerous reasons and for a high diversity of interest groups. As noted in previous chapters, the blogosphere represents a part of the WWW that dynamically evolves and functions according to its own rules. These different characteristics are the foremost reason why existing mining and analysis methods developed for general use in the web could not be equally applied to the blogosphere [CXC+09]. For this reason we set out to develop our own exploration machine, called BLOGINTELLIGENCE, which comprises the three main components Extraction, Analysis and Visualization as outlined in Fig. 10.1.


The BLOGINTELLIGENCE Portal

January 2015

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11 Reads

The BLOGINTELLIGENCE portal1 is the central hub for every tool, functionality and overall service presented in this book (see Fig. 14.1). Its design and content was carefully analyzed during previous research and ultimately realized to provide both an appealing user interface and the greatest level of usability possible for potential users when exploring the information services provided.


The Challenge of Exploring the Blogosphere

January 2015

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14 Reads

We know that single weblogs are embedded into a complex superstructure known as the blogosphere. However, the absence of any centralized control, usually regarded as the blogosphere’s best feature, is its major shortcoming in this context: Aggregating and analyzing this vast pool of unstructured information in one central framework has seemed to be virtually impossible up to now.


Micro-perspective

January 2015

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17 Reads

This chapter provides a comprehensive overview about weblogs as standalone entities. In particular, we discuss characteristic features of blogging software in general, its most important technical built-in features, as well as fundamental hosting issues. Also, this chapter presents a comprehensive review of prior weblog research by constructing an extensive weblog typology. As the title suggests, this chapter treats weblogs as single entities which accounts for the title of this chapter: the Micro-Perspective.


Introduction: The Blogosphere

January 2015

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29 Reads

Our main goal is to show new ways and means to extract reliable and valuable knowledge of the blogosphere. Following an abstract view of the blogosphere from two different angles, we dive deeper into the diverse varieties of blogs and introduce some interesting ones. Then, we continue our journey by collecting requirements for retrieving new knowledge and showing the path from content collection to data mining and knowledge visualization. After this we present a tool that actively supports the extraction of knowledge and show two mining functionalities included in the aforementioned tool. At the end, we will discuss our expectations for the future trends of the blogosphere and social media analytics in general.


Continent of Corporate-Blogs: Use Case – SAP Blog

January 2015

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21 Reads

Successful enterprises attribute part of their success to effective internal communication which most employees would describe as direct and open communication with their management. These internal open channels of communication create an atmosphere of respect where co-worker and manager-employee relationships can flourish, keep employees interested in their jobs, circulate vital information as quickly as possible and connect employees with the company’s goals and vision [HM09, CG05, Arg09]. In this section we describe our experiences based on corporate blog project for the German leading software company SAP 4 years ago.


Macro-perspective

January 2015

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29 Reads

By applying well supported theories which have been generally accepted in business and technology literature, such as the notions of Disruptive Technologies or Power Laws on the underlying dynamics and regularities of the blogosphere, this chapter explains the phenomena of weblogging as a whole. It examines why blogging was able to experience such rapidly growing global acceptance and why the biggest weblogs will most probably continue to be the biggest blogs. We coin the term Social Physics to explain and illustrate the applicability of these theories to the blogosphere phenomena. Taking a rather abstract view on the overall blogging phenomena (instead of focusing on single weblog entities alone as in Chap. 2), this chapter provides the Macro Perspective of this book.


Citations (15)


... Позивајући се на чувено "пророчан ство" Ендија Ворхола [Andy Warhol] да ће у надолазећој "култури славних" свако добити својих петнаест минута славе, Гир истиче да се "[...] у дигиталној култури привлачност нових медија добрим делом заснива на чињеници да они свима нуде прилику да бар накратко постану звезде у свету опседнутом славом". 18 Гир нам, напослијетку, без намере да релативизује, нуди два супротстављена виђења нове, дигиталне културе. С једне стране, истиче да у случају нових дигиталних медија и мрежа "[...] ми или наслућујемо појаву нове 'партиципаторне културе' далеко веће сарадње и солидарности, или пак [...] нашој дигиталној култури прети опасност од стварања пандемонијума сукобљеног медијског шума, самоистицања и бесми слене бестелесне интеракције у све уситњенијем друштву". ...

Reference:

New narratives and new consumers: Youth lifestyle
Blogosphere and its Exploration
  • Citing Book
  • January 2015

... Lists of links manually curated by website owners (blogrolls; cf. Bross et al., 2010) are often excluded from these analyses, and there is also a surprising paucity of discussion in the scholarly literature as to their function. McKenna and Pole (2004) trace the origins of blogrolls to programmers linking to each other's online journals in the late 1990s, when standardized software for publishing blogs was not widespread and such link exchanges functioned as a gift and recognition culture. ...

RSS-Crawler Enhancement for Blogosphere-Mapping
  • Citing Article
  • Full-text available
  • September 2010

International Journal of Advanced Computer Science and Applications

... There is also a growing literature on community (Koh, et al. 2002, Smith andKollock 1999), and community-sense (Blanchard and Marcus 2002) for virtual organizations, online networks , Butler et al. 2007, and weblogs (Broß, Sack and Meinel 2007). Most of these apply some aspect of knowledge management (Finholt, Sproull and Keisler 2002) or social science (e.g., motivation research (Cosley 2005), emotions (Tanner 2005)). ...

Encouraging Participation in Virtual Communities: The “IT-summit-blog” Case

... Leveraging this knowledge by extracting reliable and insightful trends, opinions or particular pieces of information from the blogosphere can be highly meaningful for a multitude of individuals, institutions and even governments: through their direct, informal and unadorned mode of operation, weblogs can serve as a fast provider of insight information about technical product innovations, politics or coverage on a multitude of other topics (see e.g. 1 " BlogPulse Stats " on 11 of April 2011: http://www.blogpulse.com/ [8] [9] [18]). However, it proves to be increasingly difficult for the average Internet user and sympathizer of blogs to grasp the blogosphere's complexity as a whole, yet due to the fact that thousands of new blogs and an almost uncountable number of new posts add up to the before-mentioned collective on a daily basis. ...

Implementing a Corporate Weblog for SAP
  • Citing Chapter
  • August 2010

Lecture Notes in Computer Science

Justus Broß

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Matthias Quasthoff

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... En effet, elle se base sur de nombreux critères qui doivent etre pris en compte pour assembler les services et le fait que ces services soient hétéroclites ne permet pas une génération aisée des applications. De plus de nouvelles ontologies, sources, systèmes d'annotations apparaissent régulièrement tandis que le web se démocratise [2,4], ce qui occasionne des misesà jour régulières de ces workflows. ...

Mapping the Blogosphere with RSS-Feeds

... Furthermore the lectures are often subdivided into smaller pieces, called scene in this paper. This is done in order to facilitate the usage of mobile players where the content needs to be downloaded, for podcasting and also to simplify a more precise metadata collection and search [10]. As all the three layers include tele-teaching content, all of them should be rateable individually. ...

Distribution to multiple platforms based on one video lecture archive
  • Citing Conference Paper
  • October 2009

... The countries are similar in that they are Western democracies with active civil society organizations and guaranteed freedom of speech. However, German online public spheres, particularly the blogosphere, have been found to be less developed and less active than in the United States (Bross, 2008). This difference could have a relevant effect on the suitability of the chosen filtering strategies. ...

Weblogs, a Promising New Form for E-democracy?
  • Citing Conference Paper
  • December 2008

... In the social trust network, reviews and ratings from a user are consistently found to be valuable by his trustees. Furthermore, products online can also be regarded as services, and several researches on services recommendation have utilized the datasets from Epinions (Alnemr, Bross, & Meinel, 2009;Noor & Sheng, 2014). Thus, Epinions is an ideal source for our experiments. ...

Constructing a Context-Aware Service-Oriented Reputation Model Using Attention Allocation Points
  • Citing Conference Paper
  • January 2009