In 1986, the National Library of Medicine began a long-term research and development
project to build the Unified Medical Language System®(UMLS®). The purpose of the UMLS …

Computing devices and applications are now used beyond the desktop, in diverse
environments, and this trend toward ubiquitous computing is accelerating. One challenge …

In an effort to unify the various phase-field models that have been used to study
solidification, we have developed a class of phase-field models for crystallization of a pure …

One of the central problems in one-to-many wide-area communications is forming the
delivery tree-the collection of nodes and links that a multicast packet traverses. Significant …

Moreover, even if the user does have questions in mind, the aim is to retrieve overall
information so these questions, as well as other questions prompted by reading the …

In order for a smart environment to provide services to its occupants, it must be able to detect
its current state or context and determine what actions to take based on the context. We …

The dramatic growth of the Internet has created a new problem for users: location of the
relevant sources of documents. This article presents a framework for (and experimentally …

Over the past several years, a number of information discovery and access tools have been
introduced in the Internet, including Archie, Gopher, Netfind, and WAIS. These tools have …

As large numbers of text databases have become available on the Internet, it is getting
harder to locate the right sources for given queries. In this paper we present gGlOSS, a …

The popularity of on-line document databases has led to a new problem: finding which text
databases (out of many candidate choices) are the most relevant to a user. Identifying the …