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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 40 for “"PIR"”.
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Secure communication : CDS, PIR, PSM
… We extend this problem to Generalized Wildcard PIR, where we instead query an aggregate of the entries whose indices match a pattern, called a generalized wildcard, which species what values each segment of the indices may take. We give a construction for this variant with similar communication …
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Peering into Candida albicans pir protein function
… wall is an important antifungal drug target. Pir proteins (proteins with internal repeats), which are linked to β-1,3-glucan in the cell wall, were characterized initially in Saccharomyces cerevisiae, then detected in other fungal species. Despite extensive work in S. cerevisiae, a true null …
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Distributional Private Information Retrieval
A private-information-retrieval (PIR) scheme lets a client fetch a record from a remote database without revealing which record it has fetched. Classic PIR schemes treat all database records the same but, in practice, some database records are much more popular (i.e., commonly fetched) than others. …
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Private Information Retrieval with Access Control
Private Information Retrieval (PIR) allows a user to query for a record from a remote database without revealing the query to the database server. However, PIR does not provide access control guarantees, allowing any user access to any record. Moreover, the database server cannot check access …
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Estimulação colinérgica com piridostigmina reduz arritmia ventricular e aumenta a variabilidade da frequência cardíaca em pacientes com insuficiência cardíaca
… A inibição colinesterásica com brometo de piridostigmina (PIR) aumenta a variabilidade da freqüência de pessoas normais, porém seu efeito em pacientes com insuficiência cardíaca é desconhecido. OBJETIVOS. Testar a hipótese de que a administração a curto prazo de piridostigmina reduz a …
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Enhancing TCP traffic flow performance with a proportional and integral rate controller: Theory, design, and performance evaluation
… traffic congestion control algorithm---the PIR (Proportional and Integral Rate) controller. It is designed to overcome the shortcomings of RED and some other related AQM (Active Queue Management) techniques developed in recent years. That is to avoid unnecessary packet losses and stabilize …
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Private Information Retrieval in an Anonymous Peer-to-Peer Environment
Private Information Retrieval (PIR) protocols enable a client to access data from a server without revealing what data was accessed. The study of Computational Private Information Retrieval (CPIR) protocols, an area of PIR protocols focusing on computational security, has been a recently …
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Self-stabilizing interval routing algorithm with low stretch factor
… A self-stabilizing Pivot Interval Routing (PIR) algorithm is proposed in this work. The PIR strategy allows routing along paths whose stretch factor is at most five, and whose average stretch factor is at most three with routing tables of size O(n3/2log 23/2n) bits in total, where n is the …
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Processes for the Fabrication of SU-8 Structures and Sputtered Materials on Porous Glass for Electrospray Thruster Manufacturing
… when operating in the purely ionic regime (PIR), in which an ionic liquid propellant (a room temperature molten salt or liquid metal) emits individual ions rather than larger droplets. These emitters must be built on the micron-scale to achieve PIR emission, resulting in their operation as …
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Mitigation of Asymmetrical Currents in Permanent Magnet Synchronous Machine with Unbalanced Stator Winding Impedance for Electric Vehicle Application
… limitation, this thesis presents a PI resonant (PIR) current controller, which comprises of a PI controller in conjunction with the resonant controller and harmonic compensation terms in the inner current control loop of an interior PMSM (IPMSM) drive with stator winding impedance asymmetry. The …
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OnionChopper: A Modular Arithmetic Hardware Accelerator for Private Information Retrieval
Private information retrieval (PIR) is a protocol which allows a user to retrieve data from a database on a server without the server being able to deduce which records were retrieved. Due to the homomorphic cryptography systems required to make these protocols work and large amount of data …
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Picosecond Infrared Lasers (PIRL): Applications in Biodiagnostics and Towards Quantitative Mass Spectrometry
… concept based on the Picosecond Infrared Laser (PIRL) has been introduced to selectively excite water to directly drive ablation of biological tissue faster than any competing energy dissipation process that could damage surrounding tissue. This thesis work showed that this mechanism can be …
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Relationships Between Physical, Chemical, and Functional Properties of Enzymatically-Modified and Unmodified Soy Protein (Nmr, Plasteins, Denaturation, Extrusion)
… at half height (PW) and "peak intensity ratios" (PIR) were, in many cases, found to correlate strongly with physical/chemical properties of hydrolyzed and unhydrolyzed SPI. The methyl proton resonance PW (assigned to Leu, Ile and Val) and PIR calculated as the ratios of "hydrophilic" divided by …
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On basing private information retrieval on NP-hardness
… is in showing how to break the security of a PIR protocol given an SZK oracle. Our result is tight in terms of both the correctness and the privacy parameter of the PIR scheme.
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Deposit of open scholarly publications: examining researcher engagement with UCT’s open access policy
… study, that of Passive Innovation Resistance (PIR), which may be described as the propensity of an individual to decide against adopting an innovation without having had any prior interaction with it. A mild negative correlation was discovered between UCT researchers motivated to deposit their …
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Engineering ionic liquid ion sources for ion beam applications
… K is sufficiently small, a pure ionic regime (PIR) can be achieved, in contrast with traditional electrosprays that produce charged droplets, or mixtures of droplets and ions. The PIR provides high current density from a point source, making ionic liquid ion beams suitable for use in focused …
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Efficient Private Information Retrieval
… about her. Private Information Retrieval (PIR) algorithms can be leveraged for providing perfect privacy to users' queries, though at a restrictive computational cost. In this work, we consider today's highly distributed computing environments, as well as certain secure-hardware devices, …
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Investigation of the molecular basis of PAMP-induced resistance
… in flg22-induced resistance to Pto DC3000. The pir (PAMP-induced resistance) screen identified four loci whose mutation leads to a reproducible reduction of flg22-induced resistance. These genes have not been previously characterized for their role in immunity, and therefore can be considered as …
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A self-stabilizing interval routing scheme in general networks
The Pivot Interval Routing (PIR) scheme [EGP98] divides the nodes in the network into pivots and clients of the pivots. A pivot acts as a center for the partition of the network formed by its clients. Each node can send messages directly only to a small subset of vertices in its nearby vicinity or …
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Greening the Green: An Investigation of Circular Economy in the Life-cycle of Building Thermal Insulation
… on a polyurethane (PUR) based polyisocyanurate (PIR) building thermal insulation product. Sensitivity analysis was successfully conducted to identify and assess the sources of uncertainty within the model. Moreover, the simulation results were compared against available secondary and experimental …
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