Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...
—The access of information systems to underlying relational databases is commonly programmed using embedded SQL queries. Such embedded queries may take the form of string literal...
Huib van den Brink, Rob van der Leek, Joost Visser
We discuss query evaluation for XML-based server systems where the same query is evaluated on every incoming XML message. In a typical scenario, many of the incoming messages will...
We develop a query algebra that supports efficient assertion retrieval--a natural extension of instance retrieval. The algebra is based on previously developed techniques for index...
Jeffrey Pound, David Toman, Grant E. Weddell, Jiew...
Users attempt to express their search goals through web search queries. When a search goal has multiple components or aspects, documents that represent all the aspects are likely ...