دانلود کتاب کشف دانش از داده های چند منبعی

With the rapid development of information technology, all areas have ushered in the era of big data. One big challenge in analyzing the overwhelming generated data is the veracity of the data. Data, even describing the same object or event, can come from a variety of sources such as crowd workers and social media users. However, noisy pieces of data or information are unavoidable. Facing the daunting scale of data, it is unrealistic to expect humans to “label” or tell which data source is more reliable. Hence, it is crucial to identify trustworthy information from multiple noisy information sources, referring to the task of knowledge discovery.