Dartmouth Digital Library Program

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SHEMP: secure hardware enhanced MyProxy.
Public key infrastructure (Computer security). ; Computer networks -- Security measures. ; Operating systems (Computers). ; Microcomputers.
In 1976, Whitfield Diffie and Martin Hellman demonstrated how public key cryptography could enable secure information exchange between parties that do not share secrets. In order for public key cryptography to work in modern distributed...
Dartmouth Dissertations

Evaluation and engineering of Saccharomyces cerevisiae for cellulase expression and growth on insoluble cellulose.
Saccharomyces cerevisiae -- Genetics. Cellulase -- Biotechnology. Cellulose -- Biotechnology. Biomass conversion -- Technological innovations.
Dartmouth Dissertations

Microwave imaging for 2-D electrical property distribution profiling.
Image reconstruction. Microwave imaging. Microwave imaging -- Instruments -- Design and construction. Microwave imaging in medicine.
Dartmouth Dissertations

Soil biogeochemistry in temperate and arctic ecosystems : human disturbances to a critical carbon pool / by Chelsea L. Petrenko
I investigated the effects of two contemporary disturbances to soil systems: forest clearing in the northeastern U.S. and climate-driven plant succession in the Arctic. To test the effects of clear-cutting forests on mineral soil carbon (C)...
Dartmouth Dissertations

Naming and sharing resources across administrative boundaries.
Electronic data processing -- Distributed processing. ; Computer network architectures. ; Programming languages (Electronic computers) -- Semantics. ; Database management.
I tackle the problem of naming and sharing resources across administrative boundaries. Conventional systems manifest the hierarchy of typical administrative structure in the structure of their own mechanism. While natural for communication that...
Dartmouth Dissertations

Microfabrication of magnetic components for high frequency DC-DC power conversion at high currents and low voltages.
DC-to-DC converters -- Design and construction. Electric inductors -- Design and construction. Thin film devices -- Design and construction. Microprocessors -- Power supply. Microfabrication. Transients (Dynamics).
Dartmouth Dissertations

On the complexity of implementing certain classes of shared objects.
Object-oriented methods (Computer science). ; Parallel processing (Electronic computers). ; Linear systems.
Dartmouth Dissertations

Acquisition and registration of 3D optical surface scanning, MRI, and microwave tomographic imaging for improved clinical breast imaging and surgical planning / by Matthew John Pallone.
Continual improvements to clinical breast imaging technologies have led to ever earlier detections and increasingly accurate localizations of female breast cancers. While these advancements have certainly improved the prognoses of many patients,...
Dartmouth Dissertations

Magnetic nanoparticle hyperthermia as an adjuvant cancer therapy with chemotherapy / by Alicia Ailie Petryk.
Magnetic nanoparticle-based hyperthermia for cancer treatment is a promising technology, particularly when applied as part of an adjuvant strategy with established cancer therapies (chemotherapy, radiation and surgery). In Europe, early clinical...
Dartmouth Dissertations

A framework of computational opinions / by Fei Yu.
We have a limited understanding of how an opinion is originated, how an opinion and information supporting and explaining it gets conveyed, and how the communicated opinion is perceived and processed by others. One direction of current research...
Dartmouth Dissertations

Security-policy analysis with eXtended unix tools / by Gabriel A. Weaver.
During our fieldwork with real-world organizations---including those in Public Key Infrastructure (PKI), network configuration management, and the electrical power grid---we repeatedly noticed that security policies and related security artifacts...
Dartmouth Dissertations

The ecology and bioenergetics of the northern black-throated blue warbler.
Wood warblers.
Dartmouth Dissertations

Some partition theorems and ultrafilters on w [i.e. omega].
Partitions (Mathematics) Ultrafilters (Mathematics).
Dartmouth Dissertations

Periodic spectral variation in Cygnus X-2 and Scorpius X-1.
Stars -- Spectra.
Dartmouth Dissertations

On the implementation of ALGOL 68.
ALGOL (Computer program language);Computer programming.
Dartmouth Dissertations

A dynamically refocusable sampling infrastructure for 802.11 networks.
Telecommunication -- Traffic -- Measurement -- Statistical methods. IEEE 802.11 (Standard). Universities and colleges -- Computer networks -- New Hampshire -- Hanover -- Case studies.
The edge of the Internet is increasingly wireless. Enterprises large and small, homeowners, and even whole cities have deployed Wi-Fi networks for their users, and many users never need to--or never bother to--use the wired network. With the advent...
Dartmouth Dissertations

Access control in and for the real world / by Sara Sinclair.
Access control is a core component of any information-security strategy. Researchers have spent tremendous energy over the past forty years defining abstract access-control models and proving various properties about them. However, surprisingly...
Dartmouth Dissertations

Group-aware stream filtering.
Streaming technology (Telecommunications). Computer networks -- Monitoring. Multicasting (Computer networks). Electronic data processing -- Distributed processing.
Recent years have witnessed a new class of monitoring applications that need to continuously collect information from remote data sources. Those data sources, such as web click-streams, stock quotes, and sensor data, are often characterized as...
Dartmouth Dissertations

System and methodology for receptor-level fluorescence imaging during surgery / by Kristian Sexton.
Fluorescence molecular imaging will have an important clinical impact in the area of guided oncology surgery, where emerging technologies are poised to provide the surgeon with real-time molecular information to guide resection, using targeted...
Dartmouth Dissertations

Combined digital breast tomosynthesis and near-infrared spectral tomography for breast lesion characterization / by Kelly E. Michaelsen.
Annual screening mammograms are recommended for all women above 40 years of age for early detection of breast cancer, and are known to improve cancer mortality rates. However, mammography is hampered by low sensitivity and a high rate of false...
Dartmouth Dissertations

Cognitive and neural mechanisms of social motivation / by Katherine E. Powers.
The need for social connection is a pervasive and powerful human drive. When this fundamental need is not fulfilled, people place greater emphasis on forming social bonds and are motivated to behave in ways consistent with accomplishing these...
Dartmouth Dissertations

Quantifying optical tomography methods for biomolecular sensing / by Jennifer-Lynn H. Demers.
Diffuse optical imaging techniques can be combined with standard imaging technologies such as computed tomography (CT) and magnetic resonance (MR) imaging to allow measurement of spectroscopic signals pertaining to the molecular components of...
Dartmouth Dissertations

The role of gut commensals in regulating susceptibility to acute liver damage / by Stela Celaj.
Liver disease of different etiologies confers significant morbidity and mortality and hence it constitutes a major health concern worldwide. Stemming from a range of causes, such as viral, drug-induced, alcoholic, or autoimmune, the rate of...
Dartmouth Dissertations

Shared decision making for people with severe mental illness.
Mentally ill -- Care -- Decision making. Mental illness -- Treatment -- Decision making. Mental health services -- Decision making. Mental health -- Information services. Medical informatics. Mental Disorders -- drug therapy.
Objective. We explored preferences and perceptions about treatment decision-making roles among persons with severe mental illness and evaluated two computer-based medication values clarification tools. Methods. In this study we conducted a pilot...
Dartmouth Dissertations

On the nature mechanisms and neural correlates of visual feature conjunction learning / by Eric Andrew Reavis.
Visual searches for a conjunction of features (e.g., a particular combination of color and shape) are ordinarily slow and difficult. However, search efficiency for a particular conjunction can improve dramatically within a few hundred practice...
Dartmouth Dissertations

Fractal models in the visual perception of textures and surfaces in nature.
Visual perception. Fractals. Computer graphics. Uniformity of nature -- Mathematical models.
Dartmouth Dissertations

Physiological and neural mechanisms of anxiety, negativity, and threat.
Anxiety -- Physiological aspects. Threat (Psychology) -- Physiological aspects. Amygdaloid body -- Psychophysiology. Brain -- Psychophysiology.
The objective of this thesis was to examine the neural and physiological substrates underlying the processing of aversive information, and how individual differences in anxiety influence these responses. In a series of experiments, we utilized skin...
Dartmouth Dissertations

A mechanistic investigation of the ring expansion of vinylcyclopropenes to metallacyclohexadienes and cyclopentadienyl complexes through the use of isotopically labelled ligands.
Organometallic chemistry. Isomerization. Organoiridium compounds. Organoiron compounds. Organorhodium compounds.
Dartmouth Dissertations

A far-infrared Smith-Purcell micro-radiator.
Infrared radiation. Infrared sources. Infrared technology.
Dartmouth Dissertations

Implementation, characterization, and applications of a scanning Kelvin probe force microscope.
Scanning force microscopy. Scanning electron microscopes -- Design and construction. Semiconductors -- Analysis.
Dartmouth Dissertations

Electrical impedance imaging for temperature field estimation during hyperthermia treatment of cancer.
Electrical impedance tomography. Newton-Raphson method. Cancer -- Thermotherapy -- Technique.
Dartmouth Dissertations

Isolation and characterization of QCR9 the nuclear gene encoding the 7.3 kDa subunit 9 of the Saccharomyces cerevisiae bc1 complex.
Oxidoreductases. Cytochrome c. Saccharomyces cerevisiae.
Dartmouth Dissertations

The adaptation of a potential function controller for control of a dynamic multi-robot system.
Robots -- Control systems -- Design and construction. Mobile robots. Robots -- Dynamics.
This thesis examines the issues of vehicle and information dynamics in the control of a multi-robot system using a radial-basis potential function controller. Distributed control of multi-robot systems requires each robot to communicate state...
Dartmouth Dissertations

Time dependent electron scattering and energy transfer in a bounded beam-plasma system.
Plasma diffusion. Electrons -- Scattering. Energy transfer.
Dartmouth Dissertations

Cerenkov radiation in dielectric-loaded waveguides.
Cherenkov radiation.
Dartmouth Dissertations

Bilingual and monolingual brains compared: a fMRI study of semantic processing.
Bilingualism -- Physiological aspects. ; Neurolinguistics. Cognition -- Physiological aspects. ; Brain -- Localization of functions.
Does early and sustained experience with two languages in childhood modify how language is processed in the adult bilingual brain? Does extensive exposure to two languages influence language processing in the bilingual brain as compared to...
Dartmouth Dissertations

Patient classification from fMRI brain activation patterns.
Brain -- Magnetic resonance imaging. ; Brain mapping. Brain -- Localization of functions. ; Diagnostic imaging. ; Pattern perception. ; Patients -- Classification. ; Alzheimer's disease -- Diagnosis. ; Schizophrenia -- Diagnosis. ; Brain damage --...
Earlier work has suggested that various neurological or neuropsychiatric disorders may result in characteristic spatial patterns in brain activation, potentially allowing their detection from maps of brain activity under different conditions....
Dartmouth Dissertations

Type-safe operating system abstractions.
Operating systems (Computers) -- Security measures. ; Device drivers (Computer programs).
Operating systems and low-level applications are usually written in languages like C and assembly, which provide access to low-level abstractions. These languages have unsafe type systems that allow many bugs to slip by programmers. For example, in...
Dartmouth Dissertations

A generalized least-squares minimization method for near infrared diffuse optical tomography.
Optical tomography. ; Near infrared spectroscopy. ; Image analysis -- Mathematical models. ; Imaging systems -- Image quality -- Mathematical models. ; Image reconstruction -- Mathematical models. ; Least squares. Breast -- Tomography.
Diffuse optical tomography (DOT) has the potential to become a non-invasive and non-ionizing diagnostic imaging technique for breast cancer imaging. DOT uses near-infrared (NIR) light to illuminate the breast, generally through the use of fiber...
Dartmouth Dissertations

On the density of abundant numbers
Number theory. ; Numbers Natural. ; Algorithms.
Dartmouth Dissertations

Solar: building a context fusion network for pervasive computing.
Solar (Computer architecture). ; Ubiquitous computing. Sensor networks. ; Detectors. ; User interfaces (Computer systems).
The complexity of developing context-aware pervasive-computing applications calls for distributed software infrastructures that assist applications to collect, aggregate, and disseminate contextual data. In this dissertation, we present a Context...
Dartmouth Dissertations

Mapping the junction of action perception and production.
Perceptual-motor learning -- Physiological aspects. ; Language acquisition -- Physiological aspects. ; Motor ability -- Physiological aspects. ; Knots and splices.
The studies presented in this dissertation explore several points of intersection between action perception and production within the human brain. One's ability to use perceptual information about another individual's actions to guide and inform...
Dartmouth Dissertations

Syntheses of transition metal complexes containing fluorinated ligands.
Ruthenium compounds -- Synthesis. ; Organorhodium compounds -- Synthesis. ; Organometallic chemistry.
Dartmouth Dissertations

Spatially resolved matrix isolation spectroscopy.
Infrared spectra. ; Spectrum analysis.
Dartmouth Dissertations

Mesh-Mon: a monitoring and management system for wireless mesh networks.
Wireless communication systems. Computer networks. Routers (Computer networks).
A mesh network is a network of wireless routers that employ multi-hop routing and can be used to provide network access for mobile clients. Mobile mesh networks can be deployed rapidly to provide an alternate communication infrastructure for...
Dartmouth Dissertations

A study of mid-infrared reflectance spectra of powdered mineral mixtures
Mineralogy -- Analysis. ; Infrared spectroscopy. ; Minerals -- Spectra. ; Special reflectance
Dartmouth Dissertations

The ecology of Vibrio cholerae: intra- and interspecific interactions.
Vibrio cholerae -- Ecology. Vibrio cholerae -- Growth. Cyanobacteria -- Ecology.
In this dissertation, I present an examination of the role of two biotic interactions in the population dynamics of Vibrio cholerae. Traits with a genetic basis such as size, physiological processes, stress tolerance, and even behavior, are key...
Dartmouth Dissertations

Assessing communication skills in medical education: development of the patient video interview.
Medicine -- Study and teaching -- Audio-visual aids. ; Communication -- Audio-visual aids. ; Medical history taking. ; Physician and patient. ; Psychometrics.
The Patient Video Interview (PVI) is an instrument designed to assess communication skills in medical education that overcomes some of the drawbacks of other assessment methods. Three studies were conducted to: (a) determine a measurement system...
Dartmouth Dissertations

Efficient parallel algorithms for closest point problems.
Computer algorithms. ; Parallel processing (Electronic computers). ; Geometry -- Data processing.
Dartmouth Dissertations

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