USENIX/ACM Workshop on Networked Systems for Developing Regions最新文献

Towards improved web acceleration: leveraging the personal web 改进网页加速:利用个人网页

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999943

Azarias Reda, Edward Cutrell, Brian D. Noble

{"title":"Towards improved web acceleration: leveraging the personal web","authors":"Azarias Reda, Edward Cutrell, Brian D. Noble","doi":"10.1145/1999927.1999943","DOIUrl":"https://doi.org/10.1145/1999927.1999943","url":null,"abstract":"Web acceleration mechanisms play an important role in challenged network environments where connectivity is limited or expensive. However, as web usage gets increasingly personal and fragmented, traditional web acceleration systems that leverage redundancy in user requests to optimize performance find it difficult to perform well. This is unfortunate because personalization is an otherwise important trend that allows users to focus on content that is relevant to them. To start tackling this growing problem, this paper makes three contributions. First, we provide the first personalized, large scale web usage data in a developing country context. This allows researchers to get a nuanced understanding of access behavior that is not offered by aggregate data. Second, we present some analysis on this dataset, which provides tangible evidence for describing the increasingly fragmented and personal nature of web access even in developing countries. Finally, based on lessons learned from the analysis, we provide some recommendations for building effective web acceleration mechanisms in the face of an increasingly personal web. We believe the next generation of web acceleration systems for challenged networks need to have a strong personal component.","PeriodicalId":189697,"journal":{"name":"USENIX/ACM Workshop on Networked Systems for Developing Regions","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122226217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

The pilot deployment of a low cost, low power gateway to extend cellular coverage in developing regions 低成本、低功耗网关的试点部署，以扩大发展中地区的蜂窝覆盖范围

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999935

Vijay Gabale, Ramesh Gopalakrishnan, B. Raman

{"title":"The pilot deployment of a low cost, low power gateway to extend cellular coverage in developing regions","authors":"Vijay Gabale, Ramesh Gopalakrishnan, B. Raman","doi":"10.1145/1999927.1999935","DOIUrl":"https://doi.org/10.1145/1999927.1999935","url":null,"abstract":"In spite of the tremendous growth in the number of cellular subscribers in the developing world, the teledensity in most of the rural areas remains low. For instance, in India, the rural teledensity is less than 30%. There are a large number of villages which do not have cellular coverage to this day. This lack of connectivity is a major hurdle in the development of these areas. However, many such villages are only a few kilometres away from the cellular coverage. Exploiting this, we present a low cost and low power gateway to extend cellular coverage into the rural areas. Specifically, we develop a low cost, low power 802.15.4 gateway which can connect a number of villages in its vicinity to the cellular backhaul. In prior work, we designed a low cost, low power 802.15.4 mesh network. In this work we show that, using the gateway node, 802.15.4 handsets and the mesh network, villagers can establish real-time voice calls from/to the village to/from the outside world. Such a network also allows villagers to make local voice calls (within the mesh network) using the 802.15.4 handsets.\u0000 We deployed the prototype of our system for a day in Ahupe village, near Mumbai, India. Using our gateway node, we successfully established several phone calls from the village to phones in the outside world. We also established several local voice calls using the backbone mesh network, within the village. With our deployment experience, we believe that such a low cost and low power system can greatly benefit people in developing regions.","PeriodicalId":189697,"journal":{"name":"USENIX/ACM Workshop on Networked Systems for Developing Regions","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129626274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Hyke: a low-cost remote attendance tracking system for developing regions Hyke:面向发展中地区的低成本远程考勤跟踪系统

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999933

Azarias Reda, S. Panjwani, Edward Cutrell

{"title":"Hyke: a low-cost remote attendance tracking system for developing regions","authors":"Azarias Reda, S. Panjwani, Edward Cutrell","doi":"10.1145/1999927.1999933","DOIUrl":"https://doi.org/10.1145/1999927.1999933","url":null,"abstract":"Tracking attendance is an important consideration for many developing world interventions. In many cases, these interventions are located in remote areas where its not always feasible to deploy expensive attendance tracking systems. In addition, since many existing systems focus on tracking participants (such as patients or students), rather than agents (such as teachers or health workers), they assume a trusted administrative staff on-site to record attendance. In this paper, we present the design of Hyke, a system for remote and cost effective attendance tracking in developing regions. Hyke combines voice-biometrics with accurate location tagging for tracking attendance in remote locations without the need for a trusted mediator on-site. Hyke was designed based on our observation of a currently deployed teacher attendance tracking system in rural Rajasthan, India. We have implemented some of the key components in Hyke, and discuss some of the security concerns in the system. The Hyke biometric stack for voice recognition is built atop several open source technologies, and provides a simple interface for non-expert users. Our evaluations with Indian speakers over telephone audio suggests the biometric stack is at par with the current state of the art. We believe this will be a useful tool for researchers who would like to incorporate voice technologies in their developing world projects.","PeriodicalId":189697,"journal":{"name":"USENIX/ACM Workshop on Networked Systems for Developing Regions","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130416100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 29

ODK tables: data organization and information services on a smartphone ODK表:智能手机上的数据组织和信息服务

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999937

Yoonsung Hong, Hilary K. Worden, G. Borriello

引用次数: 13

Computer viruses in urban Indian telecenters: characterizing an unsolved problem 印度城市远程中心的计算机病毒:一个未解决问题的特征

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999940

Prasanta Bhattacharya, W. Thies

引用次数: 12

Gotta catch 'em all!: innoculous: enabling epidemiology of computer viruses in the developing world 要把他们都抓起来!无害的:使发展中国家的计算机病毒流行病学成为可能

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999941

Michael Paik

{"title":"Gotta catch 'em all!: innoculous: enabling epidemiology of computer viruses in the developing world","authors":"Michael Paik","doi":"10.1145/1999927.1999941","DOIUrl":"https://doi.org/10.1145/1999927.1999941","url":null,"abstract":"Computer users in the developing world are faced with myriad challenges, from limited bandwidth to higher costs of usage and ownership. However, among the most pernicious problems is the prevalence of computer viruses, which have immediate and unexpected economic costs, often to those who are least able to bear the burden of such costs.\u0000 While statistics are available for virus infection rates, these rates only reflect reports from legally purchased copies of antivirus software run on internet-connected machine, and not the preponderance of software in the developing world, which is illegally obtained, out of its license period, or operated offline and therefore not updated. Anecdotal evidence on the ground indicates infection rates an order of magnitude higher, indicating a dearth of accurate information.\u0000 In this paper I present Innoculous, a system consisting of a specially crafted USB key, software, and an incentivization strategy aimed towards disinfecting infected machines, creating revenue streams for small businesses and individuals in the developing world, and obtaining rich information about computer virus infections in the environment in question.","PeriodicalId":189697,"journal":{"name":"USENIX/ACM Workshop on Networked Systems for Developing Regions","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117210260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Towards a point-of-care diagnostic system: automated analysis of immunoassay test data on a cell phone 迈向即时诊断系统:在手机上自动分析免疫分析测试数据

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999931

Nicola Dell, Sugandhan Venkatachalam, D. Stevens, P. Yager, G. Borriello

引用次数: 29

What google can teach us about ICT4D: true scale, freemium, business models, fear, and opportunity 关于ICT4D，谷歌能教给我们的是:真正的规模、免费增值、商业模式、恐惧和机会

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999929

Joel Selanikio

引用次数: 0

MELOS: a low-cost and low-energy generic sensing attachment for mobile phones MELOS:一种低成本、低能耗的移动电话通用传感附件

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999936

A. Bhardwaj, P. Arjunan, Amarjeet Singh, Vinayak Naik, Pushpendra Singh

{"title":"MELOS: a low-cost and low-energy generic sensing attachment for mobile phones","authors":"A. Bhardwaj, P. Arjunan, Amarjeet Singh, Vinayak Naik, Pushpendra Singh","doi":"10.1145/1999927.1999936","DOIUrl":"https://doi.org/10.1145/1999927.1999936","url":null,"abstract":"Ubiquitous availability of cellular network and cheap mobile phones have made them promising sensing platforms for various application domains including healthcare, environment, and astronomy among others. However, existing mobile phone platforms, including even smartphones, provide limited in-built sensing capabilities and lack standard interfaces to connect external sensors. In this paper, we propose MELOS (Mobile Extension for LOw-energy Sensing) a low-cost mobile phone extension that works virtually with all the mobile phones, including low-cost phones since it interfaces with the phone over standard audio port and Bluetooth.\u0000 The proposed platform augments mobile phones with additional sensing capabilities with minimal overhead in terms of energy consumption. MELOS provides capability to switch on-board modules off as per application requirements while keeping low power interface (audio) \"always-on\" (to keep the connection) thus resulting in significantly small active mode power consumption. Local storage capability on board ensures that the data is transferred over high bandwidth, high-power consuming Bluetooth interface in burst mode resulting in low energy consumption per byte of data transfer. Interface with a mobile phone ensures that the capabilities of the MELOS platform can be exploited remotely using the cellular connectivity. Using MELOS, we prototype a sample application to monitor energy consumption of several electrical appliances and also demonstrate appliance control using a relay based circuit.","PeriodicalId":189697,"journal":{"name":"USENIX/ACM Workshop on Networked Systems for Developing Regions","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130748158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 11

Computing security in the developing world: a case for multidisciplinary research 发展中国家的计算机安全:一个多学科研究的案例

USENIX/ACM Workshop on Networked Systems for Developing Regions Pub Date : 2011-06-28 DOI: 10.1145/1999927.1999939

Yahel Ben-David, Shaddi Hasan, J. Pal, Matthias Vallentin, S. Panjwani, Philipp Gutheim, Jay Chen, E. Brewer

引用次数: 39