Crowdsourcing allows to build hybrid online platforms that combine scalable information
systems with the power of human intelligence to complete tasks that are difficult to tackle for …

The emergence of crowdsourcing as an important mode of information production has
attracted increasing research attention. In this article, the authors review crowdsourcing …

Group-by and top-k are fundamental constructs in database queries. However, the criteria
used for grou** and ordering certain types of data--such as unlabeled photos clustered by …

摘要众包通过整合计算机和互联网上未知的大众来完成机器单独难以处理的任务. 自从2009
年开始, 众包得到了各个领域的广泛关注, 包括人机交互, 信息检索, 机器学**, 数据库, 人工智能 …

We tackle the problems of semiautomatically matching linked data sets and of linking large
collections of Web pages to linked data. Our system, ZenCrowd,(1) uses a three-stage …

Abstract Hybrid Human-Machine Information Systems leverage novel architectures that
make systematic use of Human Computation by means of crowdsourcing. These …

Skyline queries are a well-established technique for database query personalization and
are widely acclaimed for their intuitive query formulation mechanisms. However, when …

Crowdsourcing has created a variety of opportunities for many challenging problems by
leveraging human intelligence. For example, applications such as image tagging, natural …

Micro-task crowdsourcing has become a popular approach to effectively tackle complex data
management problems such as data linkage, missing values, or schema matching …

We study the problems of max/top-k and clustering when the comparison operations may be
performed by oracles whose answer may be erroneous. Comparisons may either be of type …