Long-tail Vocabulary Dictionary Extraction from the Web
Zhe Chen, Michael Cafarella, H. V. Jagadish · 2016
A dictionary --- a set of instances belonging to the same conceptual class --- is central to information extraction and is a useful primitive for many applications, including query log analysis and document categorization. Considerable work has focused on generating accurate dictionaries given a few example seeds, but methods to date cannot obtain long-tail (rare) items with high accuracy and recall.