2014 International Conference on Collaboration Technologies and Systems (CTS)最新文献_第8页

Cross-layer data collection in wireless sensor networks 无线传感器网络中的跨层数据采集

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867576

M. Hefeida

{"title":"Cross-layer data collection in wireless sensor networks","authors":"M. Hefeida","doi":"10.1109/CTS.2014.6867576","DOIUrl":"https://doi.org/10.1109/CTS.2014.6867576","url":null,"abstract":"Energy efficiency is a fundamental requirement in many Wireless Sensor Network (WSN) applications due to the limited battery power of sensor nodes and the difficulty associated with replenishing such source. As a result, significant research efforts have been pursued over the last decade to realize energy efficient distributed data collection techniques aimed at prolonging network lifetime. Within data collection applications, there is a class of applications that do not reconstruct the entire sensing field but mainly focus on monitoring and event/anomaly detection scenarios. In such applications, only representative data values (or distinct within a given threshold) are desired from different geographical (spatial) regions. Utilizing existing data collection techniques in this type of applications yields communication-inefficient solutions, and therefore expensive in terms of energy cost. In this talk, we study cross-layer data collection/monitoring and highlight a cross-layer framework to reduce the number of communication operations in such applications. We propose the use of overhearing at the Medium Access Control (MAC) layer in modifying the behavior of the application layer in each node to realize efficient data collection. Data redundancy is reduced by dynamically distributing cluster head responsibilities over cluster members, thus balancing the load and prolonging the network lifetime. Despite the cost of overhearing, it can be overcome by the potential reduction of the number of communication operations by a factor of up to N-1 where N is the number of nodes in a neighborhood.","PeriodicalId":409799,"journal":{"name":"2014 International Conference on Collaboration Technologies and Systems (CTS)","volume":"1136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121714495","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: 0

Useful views of student artifacts and activities: Supporting student use of an open-ended exploratory construction tool in the classroom 学生作品和活动的有用视图:支持学生在课堂上使用开放式的探索性构建工具

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867589

K. K. Lamberty

{"title":"Useful views of student artifacts and activities: Supporting student use of an open-ended exploratory construction tool in the classroom","authors":"K. K. Lamberty","doi":"10.1109/CTS.2014.6867589","DOIUrl":"https://doi.org/10.1109/CTS.2014.6867589","url":null,"abstract":"Constructionism suggests that people learn particularly well when they are creating personally meaningful artifacts for an audience. Design-oriented construction kits can provide affordances for creative, open-ended exploration and creation, but their use can be difficult to incorporate in a classroom setting where many learners are working at different rates or may find certain aspects of the activities more or less compelling. During the shared time in the classroom, what can be done to help students and instructors maintain awareness of opportunities for reflection, collaboration, or sharing? Once the shared time has passed, how can teachers and students review the work that was accomplished for reflection, assessment, or further exploration? What kinds of guidance might be useful for helping align student activities with the goals of the instructor? DigiQuilt is a constructionist toolkit for exploring math concepts through the creation of patchwork quilt blocks that solve mathematical challenges. In this presentation, we describe previous and ongoing work that aims to improve DigiQuilt in ways that support its reflective, meaningful use by teachers and learners in a classroom setting.","PeriodicalId":409799,"journal":{"name":"2014 International Conference on Collaboration Technologies and Systems (CTS)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125665952","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: 0

Adopting pedestrian navigation techniques for multi-robot coordination 采用行人导航技术实现多机器人协调

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867580

S. Guy

引用次数: 0

Understanding data through collaboration: Developing collaboration support tools for expert artists and scientists 通过协作理解数据:为专业艺术家和科学家开发协作支持工具

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867624

Daniel F. Keefe

引用次数: 2

Acting together by mutual control: Evaluation of a multimodal interaction concept for cooperative driving 通过相互控制共同行动:对合作驾驶的多模式交互概念的评价

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867569

Markus Zimmermann, Stefan Bauer, Niklas Lutteken, Iris M. Rothkirch, K. Bengler

{"title":"Acting together by mutual control: Evaluation of a multimodal interaction concept for cooperative driving","authors":"Markus Zimmermann, Stefan Bauer, Niklas Lutteken, Iris M. Rothkirch, K. Bengler","doi":"10.1109/CTS.2014.6867569","DOIUrl":"https://doi.org/10.1109/CTS.2014.6867569","url":null,"abstract":"This paper presents a study on the evaluation of a proposed interaction concept for cooperative driving in a lane-change scenario. First, cooperative driving is set into the context of human-machine cooperation. Second, for designing the system, the interaction between driver and car is established (based on mutual control), and the cooperation among different vehicles is elaborated. A timing sequence is presented for both. The corresponding multimodal user interface is introduced. The interface focuses on augmented reality via the contact analogue head-up display. During its design phase, certain mode aspects and design patterns are considered in order to improve the cooperation. Third, the implementation is outlined. Fourth, the evaluation is presented discussing the within-subjects experiment with 25 participants by means of three aspects: user interface quality, interaction timing and workload measurement, as a basis for user state inference. We obtained evidence that the proposed interaction concept improves cooperative behavior and increases safety. We furthermore verified a U-shaped relation between workload and performance by using a variety of different metrics. In a fifth step, future iterations are depicted.","PeriodicalId":409799,"journal":{"name":"2014 International Conference on Collaboration Technologies and Systems (CTS)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128157660","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: 33

Asynchronous understanding of creative sessions using archived collaboration artifacts 使用存档的协作工件异步地理解创造性会话

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867540

Lutz Gericke, Matthias Wenzel, C. Meinel

{"title":"Asynchronous understanding of creative sessions using archived collaboration artifacts","authors":"Lutz Gericke, Matthias Wenzel, C. Meinel","doi":"10.1109/CTS.2014.6867540","DOIUrl":"https://doi.org/10.1109/CTS.2014.6867540","url":null,"abstract":"To a large extend, collaboration and communication consists of the understanding of extrinsic activity. This task is especially hard to achieve in remote settings or also locally when people cannot take part in meetings. In this paper we are addressing the question, if understanding of the essential decisions, facts, and processes can be achieved by just consuming collaboration data afterwards. Therefore, we take existing experiment recordings and make them explorable by the Tele-Board History Browser. Participants had a given time frame to answer content-related questions for a design thinking session. We found out that people are able to review those creative sessions and grasp the essential key points in the past work processes. Still, people are approaching the data differently depending on their personal preferences and their general process knowledge. It turns out that our approach can help distributed teams in working closer together beyond conference calls or shared documents. From our perspective, traceability of past interactions can substantially ease remote collaboration, especially in creative settings.","PeriodicalId":409799,"journal":{"name":"2014 International Conference on Collaboration Technologies and Systems (CTS)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115759485","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

Pay2you places: The mobile payment with geo-location Pay2you places:具有地理定位功能的移动支付

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867566

M. Pasquet, N. Faye, Joan Reynaud

引用次数: 0

Securing cognitive radio networks against belief manipulation attacks via trust management 通过信任管理保护认知无线电网络免受信念操纵攻击

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867559

O. Savas, Gahng-Seop Ahn, Julia Deng

引用次数: 3

A secure wake-up scheme for low power wireless sensor nodes 一种低功耗无线传感器节点安全唤醒方案

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867577

Oliver Stecklina, Stephan Kornemann, M. Methfessel

引用次数: 6

Addressing privacy issues in location-based collaborative and distributed environments 解决基于位置的协作和分布式环境中的隐私问题

2014 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2014-05-19 DOI: 10.1109/CTS.2014.6867560

A. Saracino, D. Sgandurra, Dayana Spagnuelo

引用次数: 5