In Latent Semantic Indexing (LSI), a collection of documents is often pre-processed to form a sparse term-document matrix, followed by a computation of a low-rank approximation to...
As shown by the recent turmoil in credit markets, much remains to be done for the proper risk management of credit derivatives. In particular, the static copula-based models commo...
In this paper we present a novel technique for nearest neighbor searching dubbed neighborhood approximation. The central idea is to divide the database into compact regions repres...
Bulk loading refers to the process of creating an index from scratch for a given data set. This problem is well understood for B-trees, but so far, non-traditional index structure...
Building an XML store means finding solutions to the problems of representing, accessing, querying and updating XML data. The irregularity of both the structure and usage of XML, ...