Filters








5,571 Hits in 3.8 sec

iTag: Incentive-based tagging

Siyu Lei, Xuan S. Yang, Luyi Mo, Silviu Maniu, Reynold Cheng
2014 2014 IEEE 30th International Conference on Data Engineering  
Our system is built upon traditional crowdsourcing systems such as Amazon Mechanical Turk (MTurk).  ...  In social tagging systems, such as Delicious 1 and Flickr 2 , users are allowed to annotate resources (e.g., Web URLs and images) with textual descriptions called tags.  ...  We thank the reviewers for their insightful comments.  ... 
doi:10.1109/icde.2014.6816737 dblp:conf/icde/LeiYMMC14 fatcat:e4tuj4kjnjedxds5z2rsioz4ou

Designing a Volunteered Geographic Information System for Road Data Validation

Gómez-Barrón, Alcarria, Manso-Callejo
2019 Proceedings (MDPI)  
Following this process helped to design a solution based on the project's information requirements to handle a road data tagging task, while offering an experience that meets the interests and needs of  ...  The objective of this work is to build a Volunteered Geographic Information System (VGIS) using a methodological design process.  ...  Obtaining VGI based on an information system implies following a methodological design approach by evaluating several interdependent aspects [3] .  ... 
doi:10.3390/proceedings2019019007 fatcat:gne2wt4acnfkfegtphsgg2uuyq

A fuzzy expert system to Trust-Based Access Control in crowdsourcing environments

Olusegun Folorunso, Olusegun Afeez Mustapha
2015 Applied Computing and Informatics  
In this paper, a combination of Trust-Based Access Control (TBAC) strategy and fuzzy-expert systems was used to enhance the quality of human computation in crowdsourcing environment.  ...  A TBAC-fuzzy algorithm was developed and implemented using MATLAB 7.6.0 to compute trust value (T value ), priority value as evaluated by fuzzy inference system (FIS) and finally generate access decision  ...  In this paper, a combination of Trust-Based Access Control (TBAC) strategy and fuzzy-expert systems was used to enhance the quality of human computation in crowdsourcing environment.  ... 
doi:10.1016/j.aci.2014.07.001 fatcat:siltqavpgrflnnbgw7hyxpzbxe

Location-based crowdsourcing

Florian Alt, Alireza Sahami Shirazi, Albrecht Schmidt, Urs Kramer, Zahid Nawaz
2010 Proceedings of the 6th Nordic Conference on Human-Computer Interaction Extending Boundaries - NordiCHI '10  
To explore our concept we implemented a crowdsourcing platform that integrates location as a parameter for distributing tasks to workers.  ...  In this paper we assess how the idea of user-generated content, web-based crowdsourcing, and mobile electronic coordination can be combined to extend crowdsourcing beyond the digital domain and link it  ...  To explore the opportunities we created a prototype for location-based mobile crowdsourcing consisting of a web and a mobile client.  ... 
doi:10.1145/1868914.1868921 dblp:conf/nordichi/AltSSKN10 fatcat:cqyw5pzipze7rjyevllw6tbgme

Human-in-the-Loop Tasks for Data Management, Citizen Sensing, and Actuation in Smart Environments [chapter]

Umair ul Hassan, Edward Curry
2019 Real-time Linked Dataspaces  
Section 9.3 examines the challenges to enable crowdsourcing, including issues with task design, task assignment, and user incentivisation.  ...  This chapter examines current human-in-theloop approaches for data management tasks, including data integration, data collection (e.g. citizen sensing), and query refinement.  ...  For instance, an organisation can deploy a web-based API for allowing different services and applications to access human task services uniformly.  ... 
doi:10.1007/978-3-030-29665-0_9 fatcat:slisb5l5yffubbigon73xuqcy4

Challenges and strategies for running controlled crowdsourcing experiments [article]

Jorge Ramírez, Marcos Baez, Fabio Casati, Luca Cernuzzi, Boualem Benatallah
2020 arXiv   pre-print
In this paper, we take our experience in running systematic evaluations of task design as a motivating example to explore, describe, and quantify the potential impact of running uncontrolled crowdsourcing  ...  These issues ultimately inspired us to implement CrowdHub, a system that sits on top of major crowdsourcing platforms and allows researchers and practitioners to run controlled crowdsourcing projects.  ...  And second, we introduce CrowdHub 1 , a web-based platform for running controlled crowdsourcing projects.  ... 
arXiv:2011.02804v1 fatcat:o4zj7d2sona63jdgthim53erqi

QoS-Based Task Scheduling in Crowdsourcing Environments [chapter]

Roman Khazankin, Harald Psaier, Daniel Schall, Schahram Dustdar
2011 Lecture Notes in Computer Science  
Based on negotiated agreements, we provide a skill-based crowd scheduling algorithm. We evaluate our approach through simulations.  ...  Another benefit of crowdsourcing is the on-demand allocation of a flexible workforce. Businesses may outsource certain tasks to the crowd based on workload variations.  ...  Crowdsourcing. AMT, for example, offers access to a large number of crowd workers.  ... 
doi:10.1007/978-3-642-25535-9_20 fatcat:6kyjmecho5bt3l3gevrtspa6hu

Decentralised approach for a reusable crowdsourcing platform utilising standard web servers

Tenshi Hara, Thomas Springer, Gerd Bombach, Alexander Schill
2013 Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication - UbiComp '13 Adjunct  
Crowdsourcing has gained increasing interest during the last years as means for solving complex tasks with the help of a flexible group of contributors.  ...  Even though the participation of large numbers of users with heterogeneous devices in crowdsourcing is a highly recurrent task, generic infrastructures for crowdsourcing can be hardly found.  ...  , enabling easy extension towards crowdsourcing.  ... 
doi:10.1145/2494091.2499574 dblp:conf/huc/HaraSBS13 fatcat:rkalbbhacfh3npc63qfzeufi2e

OC-2-KB: integrating crowdsourcing into an obesity and cancer knowledge base curation system

Juan Antonio Lossio-Ventura, William Hogan, François Modave, Yi Guo, Zhe He, Xi Yang, Hansi Zhang, Jiang Bian
2018 BMC Medical Informatics and Decision Making  
A formal knowledge representation such as a Semantic Web knowledge base (KB) can help better organize and deliver quality health information.  ...  Conclusions: We presented a new version of OC-2-KB, a system that automatically builds an evidence-based obesity and cancer KB from scientific literature.  ...  Thus, we investigated a crowdsourcing strategy to validate the extracted semantic triples.  ... 
doi:10.1186/s12911-018-0635-5 pmid:30066655 pmcid:PMC6069686 fatcat:acu5gxq3gbghref4l2plwrt4ju

A survey of task-oriented crowdsourcing

Nuno Luz, Nuno Silva, Paulo Novais
2014 Artificial Intelligence Review  
After almost a decade of active research into human computation and crowdsourcing, this paper presents a survey of crowdsourcing human computation systems, with the focus being on solving micro-tasks and  ...  Furthermore, the similarities between task-oriented crowdsourcing platforms are described and presented in a process diagram according to a proposed classification.  ...  Another approach is to crowdsource the result aggregation as an aggregation task. This strategy is employed in systems that use the partition-map-reduce task execution strategy.  ... 
doi:10.1007/s10462-014-9423-5 fatcat:mpy3ao66prbwpmbu3pniimsg7m

CDB

Guoliang Li, Haitao Yuan, Chengliang Chai, Ju Fan, Xueping Weng, Jian Li, Yudian Zheng, Yuanbing Li, Xiang Yu, Xiaohang Zhang
2018 Proceedings of the VLDB Endowment  
Existing crowdsourcing systems adopt the traditional tree model to select a good query plan.  ...  CDB proposes a new graph-based model that adopts a fine-grained tuple-level optimization model which significantly outperforms existing coarse-grained tree-based optimization models.  ...  comes and requests for new tasks, we consider the worker's quality and assign tasks with the highest improvement in quality to the worker, called "task assignment".  ... 
doi:10.14778/3229863.3236226 fatcat:bqxsc7fdijak5mdlbcfrocubva

Crowdsourcing in Telework as a New Scalable Business Model

Evgeny Tsaplin, Svetlana Bushelenkova, Alexandra Puchkova
2013 2013 IEEE 15th Conference on Business Informatics  
Given the fact that Web 3.0 is based on natural language access to information, this technology can be identified as reflective intelligent system.  ...  Tasks can be different, and mainly they come from large or developing companies that use Microwork-services as a part of their outsourcing strategy.  ... 
doi:10.1109/cbi.2013.66 dblp:conf/wecwis/TsaplinBP13 fatcat:2w33xdz74bff5fp2lm542jcekm

A Review of Mobile Crowdsourcing Architectures and Challenges: Toward Crowd-Empowered Internet-of-Things

Jurairat Phuttharak, Seng W. Loke
2019 IEEE Access  
We present a taxonomy based on the key issues in mobile crowdsourcing and discuss the different approaches applied to these issues.  ...  We also provide a critical analysis of some challenges and suggest directions for future work.  ...  A GENERALISED CENTRALIZED MOBILE CROWDSOURCING ARCHITECTURE Mobile crowdsourcing systems have been implemented typically using web-based and client-server communications that are able to provide access  ... 
doi:10.1109/access.2018.2885353 fatcat:vtfbb7ydjre2rfkulrjm6ypyma

Groupsourcing

Markus Rokicki, Sergej Zerr, Stefan Siersdorfer
2015 Proceedings of the 24th International Conference on World Wide Web - WWW '15  
To this end, we introduce strategies for team based crowdsourcing, ranging from team formation processes where workers are randomly assigned to competing teams, over strategies involving self-organization  ...  Many data processing tasks such as semantic annotation of images, translation of texts in foreign languages, and labeling of training data for machine learning models require human input, and, on a large  ...  The objective of our evaluation was to study the cost efficiency of strategies, competitive behavior of workers, and team dynamics. Setup Crowdsourcing Task.  ... 
doi:10.1145/2736277.2741097 dblp:conf/www/RokickiZS15 fatcat:73hmmsjm5zgu5cyp6c34wyibxi

Computational and Crowdsourcing Methods for Extracting Ontological Structure from Folksonomy [chapter]

Huairen Lin, Joseph Davis
2010 Lecture Notes in Computer Science  
This paper investigates the unification of folksonomies and ontologies in such a way that the resulting structures can better support exploration and search on the World Wide Web.  ...  Next, a crowdsourcing method is introduced to channel online users' search efforts to help evolve the extracted ontology. 1 flickr.com Flickr is an online photo management and sharing application. 2 delicious.com  ...  We attempt to engage web users in evaluation tasks using a crowdsourcing medium such as Amazon Mechanical Turk (MTurk) 3 .  ... 
doi:10.1007/978-3-642-13489-0_46 fatcat:ua4xbmger5f4vmvspssywvlb74
« Previous Showing results 1 — 15 out of 5,571 results