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In this paper we propose a novel system design approach to improve the performance of large-scale interacting user communities towards a collective goal. The proposed approach has been applied on the example case of social network information diffusion and results show that it helped the participating community achieve less spam and improved information coverage.
It has been a decade since the Workshop on Grand Challenge for Modeling & Simulation (M&S) was held at Dagstuhl in Germany (www.dagstuhl.de/02351). Grand challenges provide a critical focal point for research and development and can potentially create the critical mass needed to bring substantial transformation and benefit to a community. The Workshop addressed a wide variety of M&S theoretical,...
Crowd sourcing is a new paradigm of service provision. Current commercial crowd sourcing platforms rarely consider the interaction between task takers, which is extremely required in the disaster management scenario. In this paper, we designed a framework for community based crowd sourcing, i.e., task takers are from an existing community or will easily form a new community. A size-specified community...
Human beings are involved in a broad range of social relationships spanning from real life experiences to online media and social networks. This is leading people to act in a multilayered complex network whose relationships among different layers have still to be analyzed and understood in depth. In this paper, we focus on this problem by comparing and overlapping the online sociality (Facebook network)...
Online chats are recently shown to result in long term associations among users, represented by a directed weighted network, similar to dialogs in online social networks. We consider the persistent network which emerges from user-to-user communications found in the empirical dataset from IRC Ubuntu channel. The structure of these networks is determined by computing topological centrality measures,...
Knowledge on the social web presupposes to gather information about its current and potential users and document their relationships, interests and needs. A recent branch of sociology, the Actor-Network Theory or ANT, states that relations among human and nonhuman actors are equally important to comprehend social phenomena. Since scientists are potential users of huge computational support, their...
There is an overriding interest in measuring the well-being of communities and institutions: healthy (flourishing) individuals and groups perform “better” than those that are not. Capturing the facets of well-being is, however, not straightforward: it contains personal information with sometimes uncomfortable self-realizations associated to it. Yet, the benefit of such data is the ability to observe...
Technology is a dynamic phenomenon which could experience rapid changes that may gradually lead to advancement in the humanitarian activities. It may become weak or lose its validity as a result of improper changes or attention and the way of thinking which could be due to overshadowing influences. The effect of such changes and influence has continued to cause problems in the key aspect of global...
A hands-on special session at the Frontiers in Education conference introduces an experiential exercise in empathy. Participants will use prostheses to simulate some of the physical disabilities that often accompany aging, then attempt everyday activities to better understand how engineered artifacts — and engineering design choices — can facilitate or hinder these tasks. The “empathy exercise” introduced...
The level of appropriate technology for a community has been advancing due to rapidly emerging techniques and developments thereby turning possible applications into practical ones. This publication is one is a series that cross references emerging technologies and needs in the three main humanitarian project categories of developing communities, disaster recovery, and redevelopment. It presents a...
The Web is an evolving, complex socio-technical system. As a social technology, the Web is a diverse collection of interacting networks of activities and communities. The openness and scalability of the Web has provided a platform for new technologies, services and standards, enabling individuals at scale to connect, communicate and share in ways that were previously impractical. The Web has enabled...
The structure of the current Internet does not fully reflect the structure of human relationships in the real world. Human relationships are structured as various community networks, however IP-based network is essentially not structured in terms of information retrieval and sharing. In the communication style on the current network, end node can obtain information and contents from the whole of the...
This avifauna study was conducted at Taman Botani Negara Shah Alam, Selangor, Malaysia on the 17th-18th October 2009. A total of eighteen individuals of birds representing 13 species from 9 families were recorded. Birds were sample by utilizing standard mist nets (dimensions, 2.5 m × 9 m and 3 m × 14 m). The most abundance of species is Lanius tigrinus (Tiger Shrike) and the Laniidae is the most abundance...
In modern life, people are involved in multiple online and offline social communities. Previous works on content sharing and information dissemination are single-community oriented. The complementary features as well as the joint-effect of distinct forms of social communities, however, has not been well explored. In this paper, we present hybrid social networking (HSN), which highlights the interweaving...
Balance is very important in all areas from art down to the details of our daily life. There is no exception in research work especially when we want to develop an application which will be used in the real world. Currently more and more semantic Web applications are emerging. Although there are some researches on the evaluation and benchmarking of semantic Web applications, they mainly focused on...
The automatic matching of entities between information repositories is essential for aligning and ontology mediation processes, but there is great ambiguity when adopting it. Data integration between repositories demands great quality of ontology alignments, and as such ambiguous correspondences must be identified and corrected beforehand. Debugging is even more relevant if the process is systematic...
Recent endeavors in mobile computing concentrateon analyzing the predictability of human behavior by means of mobility models synthesized from real mobile user traces. Currently, the main focus of such studies is physic allocation: discovering travel patterns, estimating real user movements and anticipating the whereabouts and dynamics of individuals. In this paper, we propose to widen the analyzed...
Retrieval and management of Web data is becoming a more and more complex problem, due to the amount of information to be dealt with, to the diversity of the information sources and of the data formats, and to the evolving expectations of users. In particular, some tasks such as quality assessment, opinion making, and sense extraction cannot be completely delegated to automatic procedures. More and...
The availability of massive network and mobility data from diverse domains has fostered the analysis of human behaviors and interactions. This data availability leads to challenges in the knowledge discovery community. Several different analyses have been performed on the traces of human trajectories, such as understanding the real borders of human mobility or mining social interactions derived from...
In this poster we report our study on the microblog spammers with samples attracted by 50 honeyspots from two popular Chinese microblogging networks: Sina Weibo (weibo.com), and Ten cent Weibo (t.QQ.com) in seven months. We studied their features such as social information, activity, account age and spamming strategy. Several distinguishing characteristics of spammers on these two social network communities...
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