Offline

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offline is included as keyword or extra keyword in 0 datasets, 0 tools and 11 publications.

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Title Author(s) Published in Language DateThis property is a special property in this wiki. Abstract R C
Mapping large educational websites to interactive DVDs Ittan S.
Gaurav Paruthi
William Thies
Proceedings - 2012 IEEE 4th International Conference on Technology for Education, T4E 2012 English 2012 In areas lacking computers and Internet connectivity, one promising strategy for delivering electronic educational content is to utilize common household technologies such as TVs and DVD players. Recent work has demonstrated that it is possible to leverage the interactive features of DVD players to provide an (offline) Internet browsing experience, using the remote control for search and navigation. However, until now it has not been documented how to overcome the engineering challenges in mapping large numbers of interactive menus to a single DVD. This paper offers the first description of such a tool. We have applied this tool to burn over 257,000 screens of Wikipedia content to an interactive DVD, for use by low-income communities. 0 0
Mentoring in Wikipedia: A clash of cultures Musicant D.R.
Yingjie Ren
Johnson J.A.
John Riedl
WikiSym 2011 Conference Proceedings - 7th Annual International Symposium on Wikis and Open Collaboration English 2011 The continuous success of Wikipedia depends upon its capability to recruit and engage new editors, especially those with new knowledge and perspectives. Yet Wikipedia over the years has become a complicated bureaucracy that may be difficult for newcomers to navigate. Mentoring is a practice that has been widely used in offline organizations to help new members adjust to their roles. In this paper, we draw insights from the offline mentoring literature to analyze mentoring practices in Wikipedia and how they influence editor behaviors. Our quantitative analysis of the Adopt-a-user program shows mixed success of the program. Communication between adopters and adoptees is correlated with the amount of article editing done by adoptees shortly after adoption. Our qualitative analysis of the communication between adopters and adoptees suggests that several key functions of mentoring are missing or not fulfilled consistently. Most adopters focus on establishing their legitimacy rather than acting proactively to guide, protect, and support the long-term growth of adoptees. We conclude with recommendations of how Wikipedia mentoring programs can evolve to take advantage of offline best practices. 0 2
Predicting the perceived quality of online mathematics contributions from users' reputations Tausczik Y.R.
Pennebaker J.W.
Conference on Human Factors in Computing Systems - Proceedings English 2011 There are two perspectives on the role of reputation in collaborative online projects such as Wikipedia or Yahoo! Answers. One, user reputation should be minimized in order to increase the number of contributions from a wide user base. Two, user reputation should be used as a heuristic to identify and promote high quality contributions. The current study examined how offline and online reputations of contributors affect perceived quality in MathOverflow, an online community with 3470 active users. On MathOverflow, users post high-level mathematics questions and answers. Community members also rate the quality of the questions and answers. This study is unique in being able to measure offline reputation of users. Both offline and online reputations were consistently and independently related to the perceived quality of authors submissions, and there was only a moderate correlation between established offline and newly developed online reputation. Copyright 2011 ACM. 0 0
Utilizing DVD players as low-cost offline Internet browsers Gaurav Paruthi
William Thies
Proceedings of the 2011 annual conference on Human factors in computing systems English 2011 In the developing world, computers and Internet access remain rare. However, there are other devices that can be used to deliver information, including TVs and DVD players. In this paper, we work to bridge this gap by delivering offline Internet content on DVD, for interactive playback on ordinary DVD players. Using the remote control, users can accomplish all of the major functions available in a Web browser, including navigation, hyperlinks, and search. As our driving application, we map the entirety of schools-wikipedia.org - encompassing 5,500 articles and 259,000 screens - to a double-layer DVD. We evaluate our system via a study of 20 low-income users in Bangalore, India. Using our DVD as reference, participants are able to answer factual questions with over 90% success. While most participants prefer to use a computer if one is available, for resource-poor environments the DVD platform could represent a viable and low-cost alternative. 0 0
EntityEngine: Answering entity-relationship queries using shallow semantics Li X.
Chenliang Li
Yu C.
International Conference on Information and Knowledge Management, Proceedings English 2010 We introduce EntityEngine, a system for answering entity-relationship queries over text. Such queries combine SQLlike structures with IR-style keyword constraints and therefore, can be expressive and flexible in querying about entities and their relationships. EntityEngine consists of various offline and online components, including a position-based ranking model for accurate ranking of query answers and a novel entity-centric index for efficient query evaluation. 0 0
Flexible bootstrapping-based ontology alignment Jain P.
Hitzler P.
Sheth A.P.
CEUR Workshop Proceedings English 2010 BLOOMS (Jain et al, ISWC2010, to appear) is an ontology alignment system which, in its core, utilizes the Wikipedia category hierarchy for establishing alignments. In this paper, we present a Plug-and-Play extension to BLOOMS, which allows to flexibly replace or complement the use of Wikipedia by other online or offline resources, including domain-specific ontologies or taxonomies. By making use of automated translation services and of Wikipedia in languages other than English, it makes it possible to apply BLOOMS to alignment tasks where the input ontologies are written in different languages. 0 0
The effects of diversity on group productivity and member withdrawal in online volunteer groups Jilin Chen
Yingjie Ren
John Riedl
Conference on Human Factors in Computing Systems - Proceedings English 2010 The "wisdom of crowds" argument emphasizes the importance of diversity in online collaborations, such as open source projects and Wikipedia. However, decades of research on diversity in offline work groups have painted an inconclusive picture. On the one hand, the broader range of insights from a diverse group can lead to improved outcomes. On the other hand, individual differences can lead to conflict and diminished performance. In this paper, we examine the effects of group diversity on the amount of work accomplished and on member withdrawal behaviors in the context of WikiProjects. We find that increased diversity in experience with Wikipedia increases group productivity and decreases member withdrawal - up to a point. Beyond that point, group productivity remains high, but members are more likely to withdraw. Strikingly, no such diminishing returns were observed for differences in member interest, which increases productivity and decreases member withdrawal in a linear fashion. Our results suggest that the low visibility of individual differences in online groups may allow them to harvest more of the benefits of diversity while bearing less of the cost. We discuss how our findings can inform further research of online collaboration. 0 0
Xerox trails: A new web-based publishing technology Rao V.G.
Vandervort D.
Silverstein J.
Proceedings of SPIE - The International Society for Optical Engineering English 2010 Xerox Trails is a new digital publishing model developed at the Xerox Research Center, Webster. The primary purpose of the technology is to allow Web users and publishers to collect, organize and present information in the form of a useful annotated narrative (possibly non-sequential) with editorial content and metadata, that can be consumed both online and offline. The core concept is a trail: a digital object that improves online content production, consumption and navigation user experiences. When appropriate, trails can also be easily sequenced and transformed into printable documents, thereby bridging the gap between online and offline content experiences. The model is partly inspired by Vannevar Bush's influential idea of the "Memex" [1] which has inspired several generations of Web technology [2]. Xerox Trails is a realization of selected elements from the idea of the Memex, along with several original design ideas. It is based on a primitive data construct, the trail. In Xerox Trails, the idea of a trail is used to support the architecture of a Web 2.0 product suite called Trailmeme, that includes a destination Web site, plugins for major content management systems, and a browser toolbar. 0 0
Multi-synchronous collaborative semantic wikis Charbel Rahhal
Hala Skaf-Molli
Pascal Molli
Stephane Weiss
Lecture Notes in Computer Science English 2009 Semantic wikis have opened an interesting way to mix Web 2.0 advantages with the Semantic Web approach. However, compared to other collaborative tools, wikis do not support all collaborative editing mode such as offline work or multi-synchronous editing. The lack of multi-synchronous supports in wikis is a problematic, especially, when working with semantic wikis. In these systems, it is often important to change multiple pages simultaneous in order to refactor the semantic wiki structure. In this paper, we present a new model of semantic wiki called Multi-Synchronous Semantic Wiki (MS2W). This model extends semantic wikis with multi-synchronous support that allows to create a P2P network of semantic wikis. Semantic wiki pages can be replicated on several semantic servers. The MS2W ensures CCI consistency on these pages relying on the Logoot algorithm. 0 0
Using user-centered design to discover motivation and priorities in an established online community Elly Searle
Katie Derthick
Toni Ferro
Morgan J.T.
Mark Zachry
SIGDOC'09 - Proceedings of the 27th ACM International Conference on Design of Communication English 2009 This poster presents our work using a face-to-face user-centered design method to inform the design of a reputation visualization for an established online community. The benefits of conducting an offline group session with online community members included insights into motivation and priorities, an understanding of community norms, and a member check on previous findings. 0 0
Pocket RikWik: A mobile wiki supporting online and offline collaboration Huang W.-C.
Paul Roe
Wong O.
AusWeb 2006: 12th Australasian World Wide Web Conference English 2006 Wikis are a popular collaboration technology. They support the collaborative editing of web pages through a simple mark-up language. The wikipedia site is perhaps the best example of how wikis can be used. There are lots of different wikis, all with their own special extended features over the basic collaborative editing of web pages. In this paper we investigate how wikis can be made mobile; that is how wiki forms of collaborative editing can be achieved through mobile devices such as smart phones. Mobile devices are becoming ubiquitous and powerful. Thus it is advantageous for people to get the benefits of wikis in a mobile setting. However, mobile devices present their own challenges such as limited screen size, bandwidth and battery life; they also have intermittent connectivity. We have investigated and built a prototype mobile wiki which addresses these issues and which enables collaboration through mobile devices. The system comprises a cut down wiki which runs on the mobile device. This communicated with a main central wiki to cache pages for off line use. This hoarding process also enables new pages to be created. On re-connection edited and new pages are synchronized with a main wiki server. Communication and hence hoarding is adaptive depending on the characteristics of the mobile device. When sitting in a powered cradle, eager downloading and synchronization of pages is supported. During mobile operation, pages are cached lazily on demand to minimize power use and to save the limited and expensive bandwidth. Finally a pluggable page rendering engine enables pages to be rendered in different ways to suit different sized screens. This enables simple collaborative working whilst on and offline through smart mobile devices. The prototype system has been implemented using .NET. © 2006. Wei-Che Huang. 0 0