Publications

The primary objective of this study is to analyze noun phrase patterns in full-text documents. Knowledge of noun phrase patterns could facilitate the automatic indexing of electronic documents stored in an information retrieval system.

This dissertation examines several different questions concerning the identification of noun phrase patterns with the aid of natural language processing…

Wireless sensor networks will be widely deployed in the near future. While much research has focused on making these networks feasible and useful, security has received little attention. We present a suite of security protocols optimized for sensor networks: SPINS. SPINS has two secure building blocks: SNEP and mgrTESLA. SNEP includes: data confidentiality, two-party data authentication, and…

This dissertation is an investigation into the relation between indexing and language, specifically the ways in which certain characteristics of language can undermine effective indexing. Taking these characteristics into account when considering any indexing approach is important, but especially so when statistical analyses of language are adopted for the purposes of indexing. Indexing…