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Networking, Systems, and Applications for Mobile Handhelds最新文献

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SMS-based contextual web search 基于短信的上下文网络搜索
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592611
Jay Chen, Brenda Linn, L. Subramanian
{"title":"SMS-based contextual web search","authors":"Jay Chen, Brenda Linn, L. Subramanian","doi":"10.1145/1592606.1592611","DOIUrl":"https://doi.org/10.1145/1592606.1592611","url":null,"abstract":"SMS-based web search is different from traditional web search in that the final response to a search query is limited to a very small number of bytes (typically 1-2 SMS messages, 140 bytes each). SMS-based web search is also a non-interactive search problem where the user has to specify a query and obtain a response in one round of search. Enabling search with with such constraints is challenging. Several search engines have developed SMS-based search capabilities in recent years and many of these search engines are limited in their recognized topics (phone, address, location, weather etc.), involve a human in the loop or apply to only specific types of search queries. We describe a simple generic approach to extracting results for both well-known and arbitrary topics. We have implemented our prototype system SMSFind and demonstrate the effectiveness of our approach. While the underlying mechanisms we present are by no means perfect, we show that our system returns appropriate responses for a range of topics not covered by existing systems.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116804970","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: 21
PhonePoint pen: using mobile phones to write in air PhonePoint笔:用手机在空中写字
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592608
Sandip Agrawal, I. Constandache, Shravan Gaonkar, Romit Roy Choudhury
{"title":"PhonePoint pen: using mobile phones to write in air","authors":"Sandip Agrawal, I. Constandache, Shravan Gaonkar, Romit Roy Choudhury","doi":"10.1145/1592606.1592608","DOIUrl":"https://doi.org/10.1145/1592606.1592608","url":null,"abstract":"The ability to note down small pieces of information, quickly and ubiquitously, can be useful. This paper proposes a system called PhonePoint Pen that uses the in-built accelerometer in mobile phones to recognize human writing. By holding the phone like a pen, an user should be able to write short messages or even draw simple diagrams in air. The acceleration due to hand gestures can be converted into an image, and sent to the user's Internet email address for future reference. We motivate the utility of such a system through simple use-cases and applications, and present the design and implementation challenges towards a functional prototype. Our early results show that the PhonePoint Pen is feasible if the user is restricted to a few simple constraints.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132867344","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: 26
ELMR: efficient lightweight mobile records ELMR:高效轻量级移动记录
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592625
Arvind Kumar, Jay Chen, Michael Paik, L. Subramanian
{"title":"ELMR: efficient lightweight mobile records","authors":"Arvind Kumar, Jay Chen, Michael Paik, L. Subramanian","doi":"10.1145/1592606.1592625","DOIUrl":"https://doi.org/10.1145/1592606.1592625","url":null,"abstract":"In this paper we describe Efficient Lightweight Mobile Records (ELMR), a system that provides a practical protocol for accessing and updating database records remotely from low-end mobile devices using the 140-byte SMS channel.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123837794","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: 8
PathForge: faithful anonymization of movement data PathForge:忠实的移动数据匿名化
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592622
S. Belle, M. Waldvogel, O. Haase
{"title":"PathForge: faithful anonymization of movement data","authors":"S. Belle, M. Waldvogel, O. Haase","doi":"10.1145/1592606.1592622","DOIUrl":"https://doi.org/10.1145/1592606.1592622","url":null,"abstract":"For most mobile networks, providers need the current position of their users to provide efficient service. The resulting motion data is not only an invaluable source for analyzing traffic or flow patterns, but also for tracking an individual's whereabouts, even without their knowledge. Today, many carry at least one mobile networked device with them wherever they go, day and night. The resulting motion data can be used to reveal the most intimate details of our lives, making this information extremely privacy sensitive. In this paper, we present PathForge, a lightweight solution, which not only fulfills the provider's efficiency requirement, but continues to allow flow pattern analysis, yet provides full privacy for users when not actively involved in a call.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128371158","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: 4
Modeling energy efficiency in wireless internet communication 无线网络通信中的能源效率建模
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592624
Enrico Rantala, Arto Karppanen, S. Granlund, Pasi Sarolahti
{"title":"Modeling energy efficiency in wireless internet communication","authors":"Enrico Rantala, Arto Karppanen, S. Granlund, Pasi Sarolahti","doi":"10.1145/1592606.1592624","DOIUrl":"https://doi.org/10.1145/1592606.1592624","url":null,"abstract":"For wireless mobile Internet users the length of the battery life is one of the most important performance factors. The energy efficiency of the data transmission over radio is a key component affecting the battery lifetime. This paper investigates WLAN energy consumption in network communication on a Mobile handset. We introduce an energy model that allows analysis and simulation of the energy efficiency of the Internet protocols on a Wireless Network Interface, and have extended the NS-2 simulation platform to allow investigating the energy consumption of the Radio Modem and the Power Amplifier in WLAN 802.11g network interface of a mobile device. We have also validated our model against measurements on real wireless hardware, and show that the simulation results closely match the real world behavior. We claim to present more detailed and accurate model of the WLAN energy consumption than what is done by the past work that allows designing and optimizing future Internet protocols towards more energy efficient behavior.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"53 26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116438305","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: 22
Tuning message size in opportunistic mobile networks 在机会移动网络中调整消息大小
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592628
John Whitbeck, V. Conan, M. Amorim
{"title":"Tuning message size in opportunistic mobile networks","authors":"John Whitbeck, V. Conan, M. Amorim","doi":"10.1145/1592606.1592628","DOIUrl":"https://doi.org/10.1145/1592606.1592628","url":null,"abstract":"We describe a new model for studying intermittently connected mobile networks, based on Markovian random temporal graphs, that captures the influence of message size, maximum tolerated delay and link stability on the delivery ratio.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121182738","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: 3
Offline NFC payments with electronic vouchers 线下NFC电子支付
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592613
G. V. Damme, K. Wouters, Hakan Karahan, B. Preneel
{"title":"Offline NFC payments with electronic vouchers","authors":"G. V. Damme, K. Wouters, Hakan Karahan, B. Preneel","doi":"10.1145/1592606.1592613","DOIUrl":"https://doi.org/10.1145/1592606.1592613","url":null,"abstract":"In this paper a practical offline payment system based on digital vouchers using Near Field Communication (NFC) in mobile phones is presented. This work was performed within the scope of the IBBT NFC-Voucher project. The goal of the project is to assess the feasibility of such a system, from a technical and security perspective, using tangible NFC devices such as the Nokia 6131 NFC mobile phone. This involved an in-depth technical and security analysis of all actors in the system and a rigorous elaboration of the practical security requirements and assumptions. In the architecture implementing and connecting all the different actors of this voucher payment system, no compromises regarding security were made. At device level all sensitive data is stored in a Secure Element (SE) with limited access for non-authorised users. The backbone and voucher transfer system uses a classical Public Key Infrastructure (PKI), such that only trusted and registered parties can handle and transfer vouchers. After having implemented this system, we conclude that it is possible to build an off-line payment system for mobile phones without compromising security, but that it remains quite challenging, given the current limitations on speed, available memory and security functionality.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133812412","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: 50
mango: low-cost, scalable delivery of rich content on mobiles Mango:低成本、可扩展的移动端丰富内容交付
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592627
Ankur Jain, S. Jaiswal, Anirban Majumder, K. Naidu, G. Narlikar, Nisheeth Shrivastava, V. Poosala
{"title":"mango: low-cost, scalable delivery of rich content on mobiles","authors":"Ankur Jain, S. Jaiswal, Anirban Majumder, K. Naidu, G. Narlikar, Nisheeth Shrivastava, V. Poosala","doi":"10.1145/1592606.1592627","DOIUrl":"https://doi.org/10.1145/1592606.1592627","url":null,"abstract":"We present mango, a low-cost and highly scalable content-delivery service for mobile phones. The service is targeted at emerging countries such as India where users are highly price sensitive, and there is considerable demand for rich media content. mango is designed as a content \"synch-up\" service. Users install an app on the phone, and through a simple menu select content for download, upload or sharing. Then, in order to actually transfer content to and from their phones, users visit or opportunistically connect with mango hot-spots. The hot-spots are short-range cells (installed in shops, cafes, or as an app in other users' phones) with a back-haul connection and a wireless interface such as Bluetooth to communicate with the phones. Given a large number of such low-cost, short-range access-points, the mango network delivers content to the very edge of the network, to within a few feet from the user. Such a content delivery architecture is faster, cheaper and can support a much larger number of users than macro-cellular data networks. In this paper we present the mango service architecture, discuss its potential as a substrate for deploying a range of novel applications and present technical challenges for timely, low-cost content-delivery.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127641957","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
OLS: opportunistic localization system for smart phones devices OLS:智能手机设备的机会定位系统
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592630
M. Klepal, M. Weyn, W. Najib, Inge Bylemans, S. Wibowo, Widyawan, B. Hantono
{"title":"OLS: opportunistic localization system for smart phones devices","authors":"M. Klepal, M. Weyn, W. Najib, Inge Bylemans, S. Wibowo, Widyawan, B. Hantono","doi":"10.1145/1592606.1592630","DOIUrl":"https://doi.org/10.1145/1592606.1592630","url":null,"abstract":"In this paper, we describe the opportunistic localization, which enables localization services that works seamlessly in heterogeneous environments including indoors as oppose to GPS based outdoor-only systems.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131977196","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: 16
Game action based power management for multiplayer online game 基于游戏动作的多人在线游戏电源管理
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2009-08-17 DOI: 10.1145/1592606.1592619
Bhojan Anand, A. Ananda, M. Chan, L. T. Le, R. Balan
{"title":"Game action based power management for multiplayer online game","authors":"Bhojan Anand, A. Ananda, M. Chan, L. T. Le, R. Balan","doi":"10.1145/1592606.1592619","DOIUrl":"https://doi.org/10.1145/1592606.1592619","url":null,"abstract":"Current mobile devices embrace a wide range of functionalities including high speed network support, hardware accelerated 3D graphics, and multimedia capabilities. These capabilities have boosted the interest for enabling multiplayer online games (MOG) support on such devices. However, the lack of similar growth in battery technology limits the usability of these devices for MOGs. In this paper, we present energy conservation techniques for highly interactive MOGs. These are games, such as first-person shooters, where crisp user interaction is paramount to the overall game experience. Hence, conserving energy while preserving crisp user interaction becomes a critical consideration in this domain. We first present three obvious power management approaches and highlight their limitations. We then discuss two application-assisted approaches for power management that manage to save power while preserving the required user experience. Our results demonstrate that these application-assisted approaches are very promising.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122421207","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: 28
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