Hung V. Nguyen

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Keyword searching is the most common form of document search on the Web. Many Web publishers manually annotate the META tags and titles of their pages with frequently queried phrases in order to improve their placement and ranking. A " hidden phrase " is defined as a phrase that occurs in the META tag of a Web page but not in its body. In this paper we(More)
Most search engines do their text query and retrieval using keywords. However, vendors cannot anticipate all possible ways in which shoppers search for their products. In fact, many times, there may be no direct keyword match between a search phrase and descriptions of products that are perfect hits for the search. A highly automated solution to the problem(More)
The PAD Review publications have been made possible by funding from Danish Interna-The designation of geographical entities in this book, and the presentation of the material , do not imply the expression of any opinion on the part of ICEM or other participating organisations concerning the legal status of any country, territory, or area, or of its(More)
Most search engines do their text query and retrieval based on keyword phrases. However, publishers cannot anticipate all possible ways in which users search for the items in their documents. In fact, many times, there may be no direct keyword match between a search phrase and descriptions of items that are perfect " hits " for the search. We present a(More)
Mycobacterium tuberculosis, the tuberculosis (TB) pathogen, despite a low level of genetic diversity, has revealed a high variety of biological and epidemiological characteristics linked to their lineages, such as transmissibility, fitness and propensity to acquire drug resistance. This has important implications for the epidemiology of TB. We conducted(More)