Jinhui Liu

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Verity Inc. has developed a comprehensive suite of tools for accurately and efficiently organizing enterprise content which involves four basic steps: (i) creating taxonomies, (ii) building classification models, (iii) populating taxonomies with documents, and (iv) deploying populated taxonomies in enterprise portals. A taxonomy is a hierarchical(More)
Top-k retrieval over main-memory inverted indexes is at the core of many modern applications: from large scale web search and advertising platforms, to text extenders and content management systems. In these systems, queries are evaluated using two major families of algorithms: document-at-a-time (DAAT) and term-at-a-time (TAAT). DAAT and TAAT algorithms(More)
The taxonomy is the most popular way for organizing a large volume of content. A taxonomy, which is typically a hierarchical representation of categories, provides a navigation structure for exploring and understanding the underlying corpus without sifting through a huge volume of documents. Creating and maintaining taxonomies with a large volume of(More)