Constructing an ontology-based machine-readable knowledge base system from different
sources with minimum human intervention, also known as ontology-based machine …

On a scientific concept hierarchy, a parent concept may have a few attributes, each of which
has multiple values being a group of child concepts. We call these attributes facets …

Academic search engines allow scientists to explore related work relevant to a given query.
Often, the user is also aware of the aspect to retrieve a relevant document. In such cases …

While learning new technical material, a user faces difficulty encountering new concepts for
which she does not have the necessary prerequisite knowledge. Determining the right set of …

While learning new technical material, a user faces difficulty encountering new concepts for
which she does not have the necessary prerequisite knowledge. Determining the right set of …

摘要先序关系指知识主题之间学习的先后依赖关系. 已有的先序关系挖掘方法大多是流线型的
方式, 易导致错误累计, 且严重依赖可能导致错误先序关系的超链接. 为了解决以上问题 …

Recent years have witnessed an exponential increase in the availability of technical material
on the web, possibly due to the efforts to digitize education and open access to scientific …

With advances in information extraction research, and the availability of large amounts of
structured and unstructured (textual) data, automatic construction of knowledge-bases are …