CiteWeb

WorldWeb citation database

Publications in 1993

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QBIC project: querying images by content, using color, texture, and shape

Carlton W. Niblack, Ron Barber, Will Equitz, Myron Flickner, Eduardo H. Glasman, Dragutin Petkovic, Peter Yanker, Christos Faloutsos, Gabriel Taubin

Modelling nonlinear economic relationships

This volume explains recent theoretical developments in the econometric modelling of relationships between different statistical series. The statistical techniques explored analyse relationships between different variables, over time, such as the relationship...

The epidemiology of heart failure: The Framingham Study ☆

Congestive heart failure has become an increasingly frequent reason for hospital admission during the last 2 decades and clearly represents a major health problem. Data from the Framingham Heart Study indicate that the incidence of congestive heart failure...

Modelling Non-Linear Economic Relationships

This volume explains recent theoretical developments in the econometric modelling of relationships between different statistical series. The statistical techniques explored analyse relationships between different variables, over time, such as the relationship...

Role of insulin-like growth factors in embryonic and postnatal growth

Summary A developmental analysis of growth kinetics in mouse embryos carrying null mutations of the genes encoding insulin-like growth factor I (IGF-I), IGF-II, and the type 1 IGF receptor (IGFIR), alone or in combination, defined the onset of mutational...

Synthesis of nylon 6-clay hybrid

Arimitsu Usuki, Yoshitsugu Kojima, Masaya Kawasumi, Akane Okada, Yoshiaki Fukushima, Toshio Kurauchi, Osami Kamigaito

A procedure for ranking efficient units in data envelopment analysis

Data Envelopment Analysis (DEA) evaluates the relative efficiency of decision-making units (DMUs) but does not allow for a ranking of the efficient units themselves. A modified version of DEA based upon comparison of efficient DMUs relative to a reference...

Sonic hedgehog, a member of a family of putative signaling molecules, is implicated in the regulation of CNS polarity

We have identified three members of a mouse gene family related to the Drosophila segment polarity gene, hedgehog(hh). Like hh, they encode putative secreted proteins and are thus implicated in cell-cell interactions. One of these, Sonic hh (Shh), is...

Development during adolescence. The impact of stage-environment fit on young adolescents' experiences in schools and in families.

Jacquelynne S. Eccles, Carol Midgley, Allan Wigfield, Christy M. Buchanan, David A. Reuman, Constance Flanagan

A highly processable metallic glass : Zr41.2Ti13.8Cu12.5Ni10.0Be22.5

We report on the properties of one example of a new family of metallic alloys which exhibit excellent glass forming ability. The critical cooling rate to retain the glassy phase is of the order of 10 K/s or less. Large samples in the form of rods ranging...

Decisions with Multiple Objectives

Many of the complex problems faced by decision makers involve multiple conflicting objectives. This book describes how a confused decision maker, who wishes to make a reasonable and responsible choice among alternatives, can systematically probe his true...

MARKOR: A measure of market orientation

Bernard J. Jaworski, Ajay K. Kohli

Depression following myocardial infarction : impact on 6-month survival

Objective. —To determine if the diagnosis of major depression in patients hospitalized following myocardial infarction (Ml) would have an independent impact on cardiac mortality over the first 6 months after discharge.Design. —Prospective evaluation...

Identification of the von Hippel-Lindau disease tumor suppressor gene

A gene discovered by positional cloning has been identified as the von Hippel-Lindau (VHL) disease tumor suppressor gene. A restriction fragment encompassing the gene showed rearrangements in 28 of 221 VHL kindreds. Eighteen of these rearrangements were...

How clonal are bacteria

Noel H. Smith, Brian G. Spratt

American Apartheid: Segregation and the Making of the Underclass.

Roberto M. Fernandez, Douglas S. Massey, Nancy A. Denton

An Interior Trust Region Approach for Nonlinear Minimization Subject to Bounds

We propose a new trust region approach for minimizing a nonlinear function subject to simple bounds. Unlike most existing methods, our proposed method does not require that a quadratic programming subproblem, with inequality constraints, be solved in...

HIV infection is active and progressive in lymphoid tissue during the clinically latent stage of disease

Giuseppe Pantaleo, Cecilia Graziosi, James F. Demarest, Luca Butini, Maria Montroni, Cecil H. Fox, Jan M. Orenstein, Donald P. Kotler, Anthony S. Fauci

The basic science of gene therapy

The development over the past decade of methods for delivering genes to mammalian cells has stimulated great interest in the possibility of treating human disease by gene-based therapies. However, despite substantial progress, a number of key technical...

The Quality of Life

This book addresses issues of defining and measuring the quality of life. Recent developments in the philosophical definition of well-being are discussed and linked to practical issues such as the delivery of health care, and the assessment of women's...

Orthogonal matching pursuit: recursive function approximation with applications to wavelet decomposition

We describe a recursive algorithm to compute representations of functions with respect to nonorthogonal and possibly overcomplete dictionaries of elementary building blocks e.g. affine (wavelet) frames. We propose a modification to the matching pursuit...

Vitamin status and intake as primary determinants of homocysteinemia in an elderly population.

Objective. —To describe the distribution of plasma homocysteine concentrations in an elderly population and to analyze the relationship between homocysteine level and intake of vitamins and serum levels of vitamins that serve as coenzymes in homocysteine...

Goal-directed requirements acquisition

Requirements analysis includes a preliminary acquisition step where a global model for the specification of the system and its environment is elaborated. This model, called requirements model, involves concepts that are currently not supported by existing...

Three-dimensional structure of myosin subfragment-1: A molecular motor

Directed movement is a characteristic of many living organisms and occurs as a result of the transformation of chemical energy into mechanical energy. Myosin is one of three families of molecular motors that are responsible for cellular motility. The...

Phase relationship between hippocampal place units and the EEG theta rhythm.

Many complex spike cells in the hippocampus of the freely moving rat have as their primary correlate the animal's location in an environment (place cells). In contrast, the hippocampal electroencephalograph theta pattern of rhythmical waves (7- 12 Hz)...

Suffix arrays: a new method for on-line string searches

A new and conceptually simple data structure, called a suffixarray, for on-line string searches is introduced in this paper. Constructing and querying suffixarrays is reduced to a sort and search paradigm that employs novel algorithms. The main advantage...

A practical method for calculating largest Lyapunov exponents from small data sets

Detecting the presence of chaos in a dynamical system is an important problem that is solved by measuring the largest Lyapunov exponent. Lyapunov exponents quantify the exponential divergence of initially close state-space trajectories and estimate the...

New families in the classification of glycosyl hydrolases based on amino acid sequence similarities.

301 glycosyl hydrolases and related enzymes corresponding to 39 EC entries of the I.U.B. classification system have been classified into 35 families on the basis of amino-acid-sequence similarities [Henrissat (1991) Biochem. J. 280, 309-316]. Approximately...

Contract enforceability and economic institutions in early trade: The Maghribi Traders' Coalition

This paper presents an economic institution which enabled eleventh-century traders to benefit from employing overseas agents despite the commitment problem inherent in these relations. Agency relations were governed by a coalition--an economic institution...

Accurate methods for the statistics of surprise and coincidence

Much work has been done on the statistical analysis of text. In some cases reported in the literature, inappropriate statistical methods have been used, and statistical significance of results have not been addressed. In particular, asymptotic normality...

Tumor suppressor genes

Robert A. Weinberg

Essential Dynamics of Proteins

Analysis of extended molecu- lar dynamics (MD) simulations of lysozyme in vacuo and in aqueous solution reveals that it is possible to separate the configurational space into two subspaces: (1) an "essential" subspace containing only a few degrees of...

RSVP: a new resource ReSerVation Protocol

A resource reservation protocol (RSVP), a flexible and scalable receiver-oriented simplex protocol, is described. RSVP provides receiver-initiated reservations to accommodate heterogeneity among receivers as well as dynamic membership changes; separates...

Mutations of a mutS homolog in hereditary nonpolyposis colorectal cancer

Recent studies have shown that a locus responsible for hereditary nonpolyposis colorectal cancer (HNPCC) is on chromosome 2p and that tumors developing in these patients contain alterations in microsatellite sequences (RER+ phenotype). We have used chromosome...

The Evolution of Conventions

The author shows how a group of individuals can learn to play a coordination game without any common knowledge and with only a small amount of rationality. The game is repeated many times by different players. Each player chooses an optimal reply based...

Regression of primary low-grade B-cell gastric lymphoma of mucosa-associated lymphoid tissue type after eradication of Helicobacter pylori

Certain features of primary low-grade B-cell gastric lymphoma of mucosa-associated lymphoid tissue (MALT) suggest the tumour is antigen-responsive. Given the close association between gastric MALT lymphoma and Helicobacter pylori, these organisms might...

Etiology and management of fecal incontinence

Marcio J. N. Jorge, Steven D. Wexner

Transactional memory: architectural support for lock-free data structures

A shared data structure is lock-free if its operations do not require mutual exclusion. If one process is interrupted in the middle of an operation, other processes will not be prevented from operating on that object. In highly concurrent systems, lock-free...

Visualizing Data

Enormous quantities of data go unused or underused today, simply because people can't visualize the quantities and relationships in it. Using a downloadable programming environment developed by the author, Visualizing Data demonstrates methods for representing...

A simple distributed autonomous power control algorithm and its convergence

For wireless cellular communication systems, one seeks a simple effective means of power control of signals associated with randomly dispersed users that are reusing a single channel in different cells. By effecting the lowest interference environment,...

The indoor radio propagation channel

In this tutorial survey the principles of radio propagation in indoor environments are reviewed. The channel is modeled as a linear time-varying filter at each location in the three-dimensional space, and the properties of the filter's impulse response...

Population-Based Norms for the Mini-Mental State Examination by Age and Educational Level

Objective. —To report the distribution of Mini-Mental State Examination (MMSE) scores by age and educational level.Design. —National Institute of Mental Health Epidemiologic Catchment Area Program surveys conducted between 1980 and 1984.Setting. —Community...

cPLA2 is phosphorylated and activated by MAP kinase

Treatment of cells with agents that stimulate the release of arachidonic acid causes increased serine phosphorylation and activation of cytosolic phospholipase A2 (cPLA2). Here we report that cPLA2 is a substrate for mitogen-activated protein (MAP) kinase....

MRI-PET registration with automated algorithm.

Roger P. Woods, John C. Mazziotta, Simon R. Cherry

Applied Cryptography: Protocols, Algorithms, and Source Code in C

From the Book:By Whitfield DiffieThe literature of cryptography has a curious history. Secrecy, of course, has always played a central role, but until the First World War, important developments appeared in print in a more or less timely fashion and the...

Putting the balanced scorecard to work

In this article Robert S. Kaplan and David P. Norton report on the Balance Scorecard. Before the Balanced Scorecard companies have used various measurement systems that have made incremental improvements and concentrated mostly on the company's financials....

The Role of Macroeconomic Factors in Growth

Using a regression analog of growth accounting, I present cross-sectional and panel regressions showing that growth is negatively associated with inflation, large budget deficits and distorted foreign exchange markets. Supplementary evidence suggests...

Corticocortical inhibition in human motor cortex.

1. In ten normal volunteers, a transcranial magnetic or electric stimulus that was subthreshold for evoking an EMG response in relaxed muscles was used to condition responses evoked by a later, suprathreshold magnetic or electric test shock. In most experiments...

Prevention of colorectal cancer by colonoscopic polypectomy. The National Polyp Study Workgroup.

Sidney J. Winawer, Ann G. Zauber, May Nah Ho, Michael J. O'Brien, Leonard S. Gottlieb, Stephen S. Sternberg, Waye Jd, Melvin Schapiro, John H. Bond, Panish Jf

Coloured Petri nets

Coloured Petri nets (CPN) is a formalism which extends ordinary Petri nets by adding data types and modularity. This means that is possible to make succinct, readable and structured models. The CPN models may be investigated by means of simulation. However,...

Phosphorylated CREB binds specifically to the nuclear protein CBP

John C. Chrivia, Roland P. S. Kwok, Ned Lamb, Masatoshi Hagiwara, Marc Montminy, Richard H. Goodman

A protein assembly-disassembly pathway in vitro that may correspond to sequential steps of synaptic vesicle docking, activation, and fusion.

The SNARE hypothesis holds that a transport vesicle chooses its target for fusion when a soluble NSF attachment protein (SNAP) receptor on the vesicle (v-SNARE) pairs with its cognate t-SNARE at the target membrane. Three synaptosomal membrane proteins...

A Neural System for Error Detection and Compensation

Humans can monitor actions and compensate for errors. Analysis of the human event-related brain potentials (ERPs) accompanying errors provides evidence for a neural process whose ac- tivity is specifically associated with mon- itoring and compensating...

Myopic Loss Aversion and the Equity Premium Puzzle

The equity premium puzzle, first documented by Mehra and Prescott, refers to the empirical fact that stocks have greatly outperformed bonds over the last century. As Mehra and Prescott point out, it appears difficult to explain the magnitude of the equity...

The multistep nature of cancer

Cancer is a distinct type of genetic disease in which not one, but several, mutations are required. Each mutation drives a wave of cellular multiplication associated with gradual increases in tumor size, disorganization and malignancy. Three to six such...

River Magic: Extraordinary Experience and the Extended Service Encounter

This article explores the provision of extraordinary hedonic experiences on commercial, multiday river rafting trips in the Colorado River basin. White water river rafting provides a dramatic illustration of some of the complex features of delivering...

Learning, Mutation and Long Run Equilibria in Games

An evolutionary model with a finite number of players and with stochastic mutations is analyzed. The expansion and contraction of strategies is linked to their current relative success, but mutuation, perturbing the system from its deterministic evolution,...

Are oestrogens involved in falling sperm counts and disorders of the male reproductive tract

The incidence of disorders of development of the male reproductive tract has more than doubled in the past 30-50 years while sperm counts have declined by about half. Similar abnormalities occur in the sons of women exposed to diethylstilbestrol (DES)...

THE REACTION OF NO WITH SUPEROXIDE

The rate constant for the reaction of NO with ·O2− was determined to be (6.7 ± 0.9) × 109 1 mol−1 s−1, considerably higher than previously reported. Rate measurements were made from pH 5.6 to 12.5 both by monitoring the loss...

The Efficacy of Psychological, Educational, and Behavioral Treatment Confirmation From Meta-Analysis

Conventional reviews of research on the efficacy of psychological, educational, and behavioral treatments often find considerable variation in outcome among studies and, as a consequence, fail to reach firm conclusions about the overall effectiveness...

Low-temperature Oxidation of Co Over Gold Supported On Tio2, Alpha-fe2o3, and Co3o4

Gold can be highly dispersed on a variety of metal oxides by coprecipitation and deposition-precipitation followed by calcination in air. The small gold particles are hemispherical in shape and stabilized by epitaxial contact, dislocations, or contact...

Multiple defects of immune cell function in mice with disrupted interferon-gamma genes.

Interferon-gamma (IFN-gamma) is a pleiotrophic cytokine with immunomodulatory effects on a variety of immune cells. Mice with a targeted disruption of the IFN-gamma gene were generated. These mice developed normally and were healthy in the absence of...

Efficient Similarity Search In Sequence Databases

Rakesh Agrawal, Christos Faloutsos, Arun N. Swami

Survival after the onset of congestive heart failure in Framingham Heart Study subjects.

BACKGROUND Relatively limited epidemiological data are available regarding the prognosis of congestive heart failure (CHF) and temporal changes in survival after its onset in a population-based setting.METHODS AND RESULTS Proportional hazards models were...

Foundations of constraint satisfaction

Edward Tsang, Thom Fruehwirth

The Voice of the Customer

In recent years, many U.S. and Japanese firms have adopted Quality Function Deployment (QFD). QFD is a total-quality-management process in which the “voice of the customer” is deployed throughout the R&D, engineering, and manufacturing stages of product...

Detecting Subtle Sequence Signals: A Gibbs Sampling Strategy for Multiple Alignment

A wealth of protein and DNA sequence data is being generated by genome projects and other sequencing efforts. A crucial barrier to deciphering these sequences and understanding the relations among them is the difficulty of detecting subtle local residue...

The ribosomal database project

Niels Larsen, Gary J. Olsen, B. Maidak, Michael J. McCaughey, Ross Overbeek, Thomas J. Macke, Terry L. Marsh, Carl R. Woese

A possibilistic approach to clustering

The clustering problem is cast in the framework of possibility theory. The approach differs from the existing clustering methods in that the resulting partition of the data can be interpreted as a possibilistic partition, and the membership values can...

Distortion invariant object recognition in the dynamic link architecture

An object recognition system based on the dynamic link architecture, an extension to classical artificial neural networks (ANNs), is presented. The dynamic link architecture exploits correlations in the fine-scale temporal structure of cellular signals...

HIDDEN MARKOV MODELS IN COMPUTATIONAL BIOLOGY: APPLICATIONS TO PROTEIN MODELING

Hidden Markov Models (HMMs) are applied to the problems of statistical modeling, database searching and multiple sequence alignment of protein families and protein domains. These methods are demonstrated on the globin family, the protein kinase catalytic...

Tobin's Q, Corporate Diversification and Firm Performance

In this paper, we show that Tobin's q and firm diversification are negatively related throughout the 1980s. This negative relation holds for different diversification measures and when we control for other known determinants of q. Further, diversified...

Customer Satisfaction, Customer Retention, and Market Share

We provide a mathematical framework for assessing the value of customer satisfaction. The framework enables managers to determine which customer satisfaction elements have the greatest impact, and how much money should be spent to improve particular customer...

Development of a fatigue scale

A self-rating scale was developed to measure the severity of fatigue. Two-hundred and seventy-four new registrations on a general practice list completed a 14-item fatigue scale. In addition, 100 consecutive attenders to a general practice completed the...

Phylogenetics of Seed Plants: An Analysis of Nucleotide Sequences from the Plastid Gene rbcL

We present the results of two exploratory parsimony analyses of DNA sequences from 475 and 499 species of seed plants, respectively, representing all major taxonomic groups. The data are exclusively from the chloroplast gene rbcL, which codes for the...

ENSO and ENSO-related Predictability. Part I: Prediction of Equatorial Pacific Sea Surface Temperature with a Hybrid Coupled Ocean–Atmosphere Model

A hybrid coupled model (HCM) of the tropical ocean–atmosphere system is described. The ocean component is a fully nonlinear ocean general circulation model (OGCM). The atmospheric element is a statistical model that specifies wind stress from ocean-model...

Reliability and validity of a brief instrument for assessing post‐traumatic stress disorder

Edna B. Foa, David S. Riggs, Constance V. Dancu, Barbara O. Rothbaum

Proteins regulating Ras and its relatives

Mark S. Boguski, Frank McCormick

Specific Proteolytic Cleavage of Poly(ADP-ribose) Polymerase: An Early Marker of Chemotherapy-induced Apoptosis

Apoptosis Âis a morphologically and biochemically distinct form of cell death that occurs under a variety of physiological and pathological con ditions. In the present study, the proteolytic cleavage of poly(ADP-ribose) polymerase (pADPRp) during the...

The HPV-16 E6 and E6-AP complex functions as a ubiquitin-protein ligase in the ubiquitination of p53

The ubiquitin-dependent proteolytic pathway plays a major role in selective protein degradation. Ubiquitination of proteins requires the sequential action of the ubiquitin-activating enzyme (E1), ubiquitin-conjugating enzymes (E2), and in some cases ubiquitin-protein...

A nonhydrostatic version of the Penn State-NCAR Mesoscale Model - Validation tests and simulation of an Atlantic cyclone and cold front

A nonhydrostatic extension to the Pennsylvania State University-NCAR Mesoscale Model is presented. This new version employs reference pressure as the basis for a terrain-following vertical coordinate and the fully compressible system of equations. In...

The Pecking Order of Free Radicals and Antioxidants: Lipid Peroxidation, α-Tocopherol, and Ascorbate

Free radicals vary widely in their thermodynamic properties, ranging from very oxidizing to very reducing. These thermodynamic properties can be used to predict a pecking order, or hierarchy, for free radical reactions. Using one-electron reduction potentials,...

Econometric Methods for Fractional Response Variables with an Application to 401(k) Plan Participation Rates

We offer simple quasi-likelihood methods for estimating regression models with a fractional dependent variable and for performing asymptotically valid inference. Compared with log-odds type procedures, there is no difficulty in recovering the regression...

Mammalian Ras interacts directly with the serine/threonine kinase raf

Anne B. Vojtek, Stanley M. Hollenberg, Jonathan A. Cooper

Polymers at interfaces

G. J. Fleer, M. A. Cohen Stuart, J. M. H. M. Scheutjens, Terence Cosgrove, Brian Vincent

Prevalence of civilian trauma and posttraumatic stress disorder in a representative national sample of women

Heidi S. Resnick, Dean G. Kilpatrick, Bonnie S. Dansky, Benjamin E. Saunders, Connie L. Best

Stability and transparency in bilateral teleoperation

Tools for quantifying teleoperation system performance and stability when communication delays are present are provided. A general multivariable system architecture is utilized which includes all four-types of data transmission between master and slave:...

Conversion of alpha-helices into beta-sheets features in the formation of the scrapie prion proteins

Keh-Ming Pan, Michael A. Baldwin, Jack T. Nguyen, Ana Serban, Darlene Groth, Ingrid Mehlhorn, Ziwei Huang, Robert J. Fletterick, Fred E. Cohen

Biological invasions: Lessons for ecology

Anthropogenic introduction of species is homogenizing the earth's biota. Consequences of introductions are sometimes great, and are directly related to global climate change, biodiversity AND release of genetically engineered organisms. Progress in invasion...

Variable precision rough set model

A generalized model of rough sets called variable precision model (VP-model), aimed at modelling classification problems involving uncertain or imprecise information, is presented. The generalized model inherits all basic mathematical properties of the...

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