etd AT Indian Institute of Science: Recent submissions
Now showing items 781-800 of 8174
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PEG: a programming environment generator
Integrated piogramming enviionments play an im portant role in making the software development process easier and more efficient. Since there exist a number of programming languages, it is necessary to provide programmers ... -
New techniques for the analysis of two and three dimensional objects
The results of an investigation carried out on certain pattern recognition aspects of a class of two-dimensional line drawings and three-dimensional objects are reported in this thesis. The motivation for the proposed ... -
Pattern classification using conjuctive conceptual clustering procedures
This thesis deals with the salient features of the conjunctive conceptual algorithm CLUSTER/2 and describes new algorithms based on conjunctive concepts to overcome some of the problems associated with CLUSTER/2. From a ... -
Sharable instructable agent for information filtering
This thesis presents a sharable instructable agent for information filtering. It also proposes the use of network-based collaboration in huge distributed communities of personalized agents. These agents carry out the tasks ... -
Secure ECom framework for small-communities
Universal reach of the web has made it possible for merchants to reach their customers, and vice versa, through what has now come to be referred as Electronic Commerce, or ecom in short. Despite admitting the new opportunities ... -
Learning subspace methods using weighted and multi-subspace representations
The learning subspace methods (LSMs) of classification are decision-theoretic pattern recognition methods where the primary model for a class is a linear subspace of the Euclidean pattern space. Classification is based on ... -
Techniques in The Markov Chain Monte Carlo Method
Consider the problem of sampling from a set of combinatorial objects according to a certain given distribution. The Markov chain Monte Carlo (MCMC) method is a possible solution for this problem. The method consists of ... -
Verification of information flow properties
Information flow properties are a way of specifying security properties of systems, that dates back to the work of Goguen and Meseguer [7] in the eighties. A system is viewed as generating traces containing “confidential” ... -
Approximation algorithms for the K- MST problem
Given a graph GGG on nnn vertices, the kkk-MST optimization problem is to find a tree spanning at least kkk vertices of GGG such that the cost of the tree is minimized over all such possible trees. The main contribution ... -
Computer generation and recognition of printed Telugu characters
The thesis is primarily concerned with two problems, namely, generation of Telugu characters and recognition of printed Telugu characters. In addition to the practical utility of generative schemes for pictorial patterns, ... -
Performance analysis of methods that overcome false sharing effects in software DSMs
Software Distributed Shared Memory (DSM) systems, which rely on virtual memory mechanisms to detect accesses to shared locations and maintain their consistency, support a sharing granularity of a page size, which is of the ... -
Field theories in nanocommutative spaces
The recent interest in noncommutative spaces has its roots in the study of quantum gravity and string theory. At length scales close to the Planck scale, the usual notion of continuous spacetime is expected to break down ... -
Energy dissipation and other studies on submerged circular twin jets
When a high velocity sutmerged water jet enters a quiescent amhient medium of the same fluid Its energy gets gradually dissipated along Its course In the surrounding medium and Its efflux velocity gets decelarated along ... -
Some aspects of cavitation phenomena in centrifugal pumps
The work reported in this thesis has a fourfold objective, namely, to study: The influence of Froude number on the inception of cavitation in radial flow pumps. The influence of prerotation on the cavitation performance ... -
Effect of pre-rotation on cavitation in centrifugal and mixed flow pumps.
It has been theoretically shown that introduction of prerotation at the impeller inlet at design point improves the cavitation performance. A qualitative assessment of this from existing data on centrifugal pump impellers ... -
Dissipation of energy of a circular jet submerged in water
This thesis deals with the study of the dissipation of energy of a high-velocity jet flowing into a standing mass of water. At the instant when the jet enters the standing pool of water, the jet possesses the maximum energy ... -
Effect of viscocity and surface tension on the taylor instability of the surface of a cavitation bubble
This thesis is devoted to a consideration of the following problem: A spherical mass of fluid of density ??, viscosity ?? and external radius R is surrounded by a fluid of density ?? and viscosity ??. The fluids are ... -
Unsteady two-Dimensional flow field behind perforated plates on a flat surface
The flow over bluff bodies with separation is one of the oldest in fluid mechanics. The separated flows would be considered to have local streamline curvature; such flows are particularly of interest in engineering due to ... -
Steady two-dimensional seepage flow analysis analytical and numerical methods
The primary aim of the present work is to study the influence of sloping boundaries with discontinuities in slopes and the effect of surfaces of seepage on seepage characteristics in case of confined and unconfined flows ...