Index Catalog // ScholarsArchive@OSU

A benchmark suite for parallel computers : part II

Creator:: Shen, Jisheng and Lewis, Ted G.
Resource Type:: Technical Report

Two notes on the complexity of the Towers of Hanoi. I. Is Towers of Hanoi really hard? II. Time complexity of the Towers of Hanoi problem

Creator:: Cull, Paul and Gerety, Colin
Resource Type:: Technical Report

From concrete forms to generalized abstractions through perspective-oriented analysis of logical relationships

Creator:: Yang, Sherry and Burnett, Margaret M.
Abstract:: We believe concreteness, direct manipulation and responsiveness in a visual programming language increase its usefulness. However, these characteristics present a challenge in generalizing programs for reuse, especially when concrete examples are used as one way of achieving concreteness. In this paper, we present a technique to solve this problem by...
Resource Type:: Technical Report

Software configuration management (SCM) support process capability maturity model

Creator:: Ghotra, Baljinder Singh
Abstract:: Software Configuration Management (SCM) is a concept of trying to group the changing artifacts of software development to try to manage the complexity of modern day software. This paper provides a roadmap for improving the SCM support process based on a meta-model. I developed a model that defines key practice...
Resource Type:: Technical Report

Algorithms for computing sprinkler layouts for lawns

Creator:: Krishnappa, Chirayu
Abstract:: Watering a lawn involves several factors such as laying out the sprinklers and valves, trenching, laying pipes, cables, etc. The primary goal is to ensure uniform watering subject to various constraints. We present some abstract problems involving sprinkler layout and some solutions with theoretical worst case bounds on their performance....
Resource Type:: Technical Report

Sacagawea: a testbed for experimenting with real-time problem solving techniques

Creator:: Koerper, Greg
Abstract:: The Sacagawea testbed has been designed to support testing and development of decision making models, and associated uncertainty management techniques, that are appropriate under real-time problem solving constraints. Conceptually, it provides a simulated temporal and spatial environment, the latter consisting of a terrain grid of elevation and tree cover data,...
Resource Type:: Technical Report

Best sorting algorithm for nearly sorted lists

Creator:: Kim, Do Jin
Resource Type:: Technical Report

Effect of update merging on reliable storage performance

Creator:: Liu, Ching-Chao and Minoura, Toshimi
Abstract:: Performance of a reliable storage subsystem for a centralized database system was studied by simulation. The reliable storage subsystem studied consists of three redundant disk units that are updated one at a time from a consistent database state to another consistent database state, Thus, even if a central processor and/or...
Resource Type:: Technical Report

Preliminary results of an experimental study of the mechanical design process

Creator:: Ullman, David G., Stauffer, Larry A., and Dietterich, Thomas G.
Abstract:: This paper presents the initial results from an empirical study of mechanical design engineers. In this study, six engineers were video-taped solving real mechanical design problems. Preliminary analysis of this protocol data has yielded several important findings, including (a) mechanical designers progress from systematic to opportunistic behavior as the design...
Resource Type:: Technical Report

Position estimation

Creator:: McKenney, Paul E.
Abstract:: Acoustic position estimation is used where high accuracy navigation is required over a small area, such as for searching or for collecting gravitational or geomagnetic data. In this position estimation method, a surface ship or submersible periodically sends out a high-frequency acoustic 'ping' at a prearranged frequency. This ping is...
Resource Type:: Technical Report

Pipelining performance of structured dataflow networks

Creator:: Tonge, Fred. M.
Abstract:: System architectures for interconnecting large numbers of processors are being widely studied [AG82,TH75,TR82]. Of particular interest in such architectures is the exploitation of concurrency among processors. This concurrency can be parallelism, in which different parts of a single data case are processed at the same time, or pipelining, in which...
Resource Type:: Technical Report

Computer science and computer engineering research equipment

Creator:: Tonge, Fred M.
Abstract:: This grant supported acquisition of a minicomputer system for departmental research. The equipment selected is a DEC VAX-11/750 system, installed in remodeled space in the Computer Science (formerly Farm Crops) Building. Grant funds for equipment acquisition were supplemented by support from the Tektronix Foundation. After completion of the physical facilities...
Resource Type:: Technical Report

Type systems of object-oriented programming languages

Creator:: Sandberg, David W.
Abstract:: Three different approaches to type checking have been taken in object-oriented programming languages. Smalltalk-80 uses run-time type checking. C++ uses subtypes. A third alternative is to use parameterized types. We examine the difficulties of programming in an object-oriented fashion with compile-time type checking and argue that parameterized types are better...
Resource Type:: Technical Report

Biomedical knowledge acquisition : three systems reviewed

Creator:: Springsteel, Frederick Neil
Abstract:: Recent advances in diagnostic expert systems have been limited by the crucial Knowledge Acquisition Problem: to bring expert heuristics into logical, conditional rule forms useful for computer aided diagnosis. Some automatic systems with potential biomedical relevance that do acquire knowledge are reviewed here, and analyzed from the standpoint of possible...
Resource Type:: Technical Report

Expert systems for exploratory data analysis : towards automated research

Creator:: Springsteel, Fred Neil
Abstract:: Exploratory Data Analysis (EDA) is a lesser known field which has outgrown the bounds of statistics. It differs from ordinary, or “confirmatory”, data analysis. Originated by John Tukey, EDA aspires toward an open-ended meta-goal: to discover “all interesting” [nontrivial, normal form, valid] hypotheses about a domain that is represented by...
Resource Type:: Technical Report

Typographic style is more than cosmetic

Creator:: Oman, Paul W. and Cook, Curtis R.
Abstract:: There is disagreement about the role and importance of typographic style (source code formatting and commenting) in program comprehension. Results from experiments and opinions in programming style books are mixed. This paper presents principles of typographic style consistent and compatible with the results of program comprehension studies. It introduces the...
Resource Type:: Technical Report

Effects of programming experience in debugging semantic errors

Creator:: Oman, Paul W., Cook, Curtis R., and Nanja, Murthi
Abstract:: This paper presents the results of a controlled experiment comparing debugging abilities of novice, intermediate and skilled student programmers. Debugging performance differences were studied using two single-page Pascal programs: a binary search program and a median calculation program. Two types of semantic errors, array bounds and undefined variable, and two...
Resource Type:: Technical Report

Particularity in engineering data

Creator:: Rehfuss, Steve, Freiling, Michael J., and Alexander, Jim
Abstract:: A database to be used by electrical circuit design, test, and repair expert systems must support both structural data and inferential data about the circuit. It is well known that engineering databases must support dynamic schema (re)definition of the structural data and entity-based access to it. We analyze this requirement...
Resource Type:: Technical Report

Preliminary X2 language reference manual

Creator:: Sandberg, David
Abstract:: X2 is an object-oriented programming language. Object-oriented programming models everything in the world as objects that have some local state that may vary with time. If the state of an object varies with time the object is mutable. If the state is time independent the object is immutable. Each object's...
Resource Type:: Technical Report

Program comprehension differences in debugging

Creator:: Nanja, Murthi and Cook, Curtis R.
Abstract:: Many studies have shown that expert programmers are more effective at debugging programs than novice programmers. These studies have suggested that the major reason for this difference is due to the experts' superior comprehension of the program. This paper reports two experiments which investigated expert and novice student programmers program...
Resource Type:: Technical Report

ScholarsArchive@OSU

A benchmark suite for parallel computers : part II

Two notes on the complexity of the Towers of Hanoi. I. Is Towers of Hanoi really hard? II. Time complexity of the Towers of Hanoi problem

From concrete forms to generalized abstractions through perspective-oriented analysis of logical relationships

Software configuration management (SCM) support process capability maturity model

Algorithms for computing sprinkler layouts for lawns

Sacagawea: a testbed for experimenting with real-time problem solving techniques

Best sorting algorithm for nearly sorted lists

Effect of update merging on reliable storage performance

Preliminary results of an experimental study of the mechanical design process

Position estimation

Pipelining performance of structured dataflow networks

Computer science and computer engineering research equipment

Type systems of object-oriented programming languages

Biomedical knowledge acquisition : three systems reviewed

Expert systems for exploratory data analysis : towards automated research

Typographic style is more than cosmetic

Effects of programming experience in debugging semantic errors

Particularity in engineering data

Preliminary X2 language reference manual

Program comprehension differences in debugging

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