申请试用
HOT
登录
注册
 
Crowddb: Answering Queries with Crowdsourcing

Crowddb: Answering Queries with Crowdsourcing

da仔
/
发布于
/
1831
人观看
CrowdDB uses human input via crowdsourcing to process queries that neither database systems nor search engines can adequately answer. It uses SQL both as a language for posing complex queries and as a way to model data. While CrowdDB leverages many aspects of traditional database systems, there are also important differences. Conceptually, a major change is that the traditional closed-world assumption for query processing does not hold for human input. From an implementation perspective,human-oriented query operators are needed to solicit, integrate and cleanse crowdsourced data. Furthermore, performance and cost depend on a number of new factors including worker affinity, training, fatigue, motivation and location
18 点赞
4 收藏
0下载
相关文档
确认
3秒后跳转登录页面
去登陆