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TU Berlin

Inhalt des Dokuments

Crowdsourcing and Open Data

Core Team

  • Tim Polzehl [1]
  • Babak Naderi [2]
  • Rafael Zequeira Jiménez [3]
  • Neslihan [4]Iskender [5]
  • Vinicius Woloszyn [6]

 

Topics

Platform

  • Fundamental Aspects of Crowdsourcing Platforms
  • High Quality Crowd-Workflow Design
  • Combination of Human Computation and AI
  • Open Data, and Open Science (open-science.berlin [7])

Workers

  • Motivation of Workers
  • Gamification in Volunteer Crowdsourcing
  • Personalized/adaptive Design to Increase Performance
  • Quality Control Mechanisms (Data Reliability, Agreement)

Application of Crowdsourcing

  • Crowd- and AI-based Hybrid Workflows (error correction and performance boost by adding crowd-services to support AI) 
  • Crowd- and AI-based Translation Workflows
  • Crowd- and AI-based Text Summarization Workflows
  • Crowd- and AI-based Knowledge Graph and Chatbot Supporting Workflows
  • Crowd- and AI-based Chatbot/ Dialog Flow Supervision and in-time Correction
  • Crowd- and AI-based Information Learning (autonomous knowledge base updates)
  • Internal Crowdsourcing (employee sourcing)
  • Gaming QoE Assessment using Crowdsourcing
  • Speech Quality Assessment using Crowdsourcing approach (ITU-T Standardization)
  • Text Simplification and Text Complexity: einfaches-wiki.de [8]

 

Our research extends to the following areas:

Building on Crowdsourcing

- Mobile crowdsourcing (in the field)
- Crowd assessments: Usability, UX, QoE
- Privacy and confidentiality in crowdsourcing
- Mobile street application, urban mobility, city guarding
- Data collection in the field: crowd as (continuous) sensors
- Data management (clean, index, verify, tag, label, translate, etc. )

Improving Crowdsourcing

- Real-time interaction, human computation as a service, (HuaaS)
- Privacy and security in crowdsourcing
- Motivation in crowdsourcing, gamification
- Quality control (pattern recognition, cheater detection, anomaly)
- Automatic user segmentation (clustering)
- Training, E-learning and building expert-crowds
- Task complexity modeling
- Crowd and user biases, subjective normalization
- Scalable Crowdsourcing, Robustness, Reliability in Engineering
- Quality in Crowdsourcing (quality of opinion, audio/video, reliability) 

 

Start-Up

  • Crowdee [9]:  High Quality Large Scale Crowdsourcing for Studies and AI-related Data Acquisition: (Start-Up from QU TU Berlin)

 

Running Projects

  • BRIDGE - Data & Fact Driven Decision-Making for Skills Based Inclusion of Migrants (EIT-Digital)
    [10]
  • DoNotFear [11]- Perceived Security In Public Transport [12] (EIT-Digital) [13]
  • SMESS - Towards a Standardized Methodology for Evaluating the Quality of Speech Services using Crowdsourcing [14]
  • OurPuppet - Pflegeunterstützung mit einer interaktiven Puppe für informell Pflegende (BMBF) [15]
  • ICU - Internes Crowdsourcing in Unternehmen: Arbeitnehmergerechte Prozessinnovationen durch digitale Beteiligung von Mitarbeiter/innen (BMBF) [16]
  • BOP - Berlin Open Science Platform for the Curation of Research Data (TU Berlin)
    [17]
  • DEKA -  [18]Design und Entwicklung einer kollaborativen digitalen Arbeitsplattform für die Digitalisierung von Innovationsprozessen (BMBF)
    [19]

 

Past Projects

 

  • ERICS – European Refugee Information and Communication Service (EIT-Digital, 1/2017- 12/2018, Project Lead) [20]
  • ALM-enabled Smart Maintenance: Low cost, Multi-purpose (ALM) IoT modules for fitting machinery/production plants and measuring real time parameters such as vibrations, energy consumption, temperature etc. based on innovative fiber optics and Nucleo STM microcontrollers (EIT-Digital, 1-12/2017) [21]
  • Privacy, Security and Trust in Crowdsourcing Confidential Enterprise Data (EIT Digital, Project Lead) [22]
  • CrowdMAQA [23] (Motivation and Quality Control in Crowdsourcing)
  • AUNUMAP [24] (Automated User Segmentation from Speech and Text for Market Research Applications)
  • Vocalytics & SWYM [25] (Fully Automated User Characterization and Personality Estmation)
  • Speaker Recognition and Speaker Characterization through different Communication Channels [26]
  • [27]Affect-based Indexing [28]
  • Anomaly Detection and Early Warning Systems [29]
  • Multimedia Content Retrieval [30]
  • Predicting the Perceived Quality of Audiovisual Speech (Perc Qual AVS)
  • Recognition of Mobile and Rich Speech (MARS) [31]
  • Universal Telecommunications Interface [32]
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