Service-Oriented Crowdsourcing - Architecture, Protocols and Algorithms
von: Daniel Schall
Springer-Verlag, 2012
ISBN: 9781461459569
Sprache: Englisch
94 Seiten, Download: 3901 KB
Format: PDF, auch als Online-Lesen
| Preface | 5 | ||
| Acknowledgments | 6 | ||
| Contents | 7 | ||
| Acronyms | 9 | ||
| 1 Introduction | 10 | ||
| 1.1 Overview | 10 | ||
| 1.2 Task Marketplaces | 11 | ||
| 1.3 SOA for Crowdsourcing | 11 | ||
| 1.4 Adaptive Processes | 13 | ||
| 1.5 Outline | 13 | ||
| References | 14 | ||
| 2 Crowdsourcing Task Marketplaces | 15 | ||
| 2.1 Introduction | 15 | ||
| 2.2 Background | 16 | ||
| 2.3 Basic Model and Statistics | 18 | ||
| 2.3.1 System Context Overview | 18 | ||
| 2.3.2 Marketplace Task Statistics | 19 | ||
| 2.4 Clustering and Community Detection | 22 | ||
| 2.4.1 Clustering Approach | 22 | ||
| 2.4.2 Community-Based Ranking Model | 24 | ||
| 2.5 Crowdsourcing Broker Discovery | 25 | ||
| 2.6 Experiments | 27 | ||
| 2.6.1 Community Discovery and Ranking | 27 | ||
| 2.6.2 Recommendation of Crowdsourcing Brokers | 30 | ||
| 2.7 Conclusion and Future Work | 35 | ||
| References | 35 | ||
| 3 Human-Provided Services | 39 | ||
| 3.1 Introduction | 39 | ||
| 3.2 Background | 40 | ||
| 3.3 HPS Interaction Model | 42 | ||
| 3.3.1 HPS Activity Model | 42 | ||
| 3.3.2 Hierarchical Activities | 44 | ||
| 3.3.3 Task Model | 45 | ||
| 3.3.4 Task Execution Model | 46 | ||
| 3.4 Architecture | 47 | ||
| 3.4.1 HPS Framework | 48 | ||
| 3.4.2 Data Collections | 50 | ||
| 3.4.3 Interactions and Monitoring | 51 | ||
| 3.5 Expertise Ranking | 53 | ||
| 3.5.1 Context-Sensitive Interaction Mining | 53 | ||
| 3.5.2 Hubs and Authorities | 54 | ||
| 3.5.3 Personalized Expert Queries | 55 | ||
| 3.5.4 Ranking Model | 56 | ||
| 3.6 Evaluation | 59 | ||
| 3.6.1 SOA Testbed Environment | 59 | ||
| 3.6.2 Performance Aspects | 60 | ||
| 3.6.3 Quality of Expertise Rankings | 62 | ||
| 3.7 Conclusion and Future Work | 64 | ||
| References | 64 | ||
| 4 Crowdsourcing Tasks in BPEL4People | 67 | ||
| 4.1 Introduction | 67 | ||
| 4.2 Background | 68 | ||
| 4.3 Service-Oriented Crowdsourcing | 70 | ||
| 4.3.1 Task-Based Crowdsourcing Markets | 70 | ||
| 4.3.2 Approach Outline | 71 | ||
| 4.4 Non-Functional Properties in B4P | 73 | ||
| 4.4.1 Human Tasks in B4P | 74 | ||
| 4.4.2 Basic Model and Extensions | 75 | ||
| 4.5 Social Aggregator | 79 | ||
| 4.6 Task Segmentation and Matching | 81 | ||
| 4.6.1 Hierarchical Crowd Activities | 81 | ||
| 4.6.2 Social Interactions | 82 | ||
| 4.6.3 Ranking Coordinators | 84 | ||
| 4.7 Implementation and Evaluation | 89 | ||
| 4.7.1 SOA-Based Crowdsourcing Environment | 89 | ||
| 4.7.2 Social Network Generation | 93 | ||
| 4.7.3 Discussion | 94 | ||
| 4.7.4 Overall Findings | 96 | ||
| 4.8 Conclusion and Future Work | 98 | ||
| References | 98 | ||
| 5 Conclusion | 101 |