Asa Ben-hur

35 Integrating Information for Protein Function Prediction (2009)

William Stafford Noble, Asa Ben-hur

Most of the work on predicting protein function uses a single source of information – the most common being the amino acid sequence of the protein (see Chapter 30). There are, however, a number of...

The use of gene ontology evidence codes in preventing classifier assessment bias (2009)

Rogers, Mark F., Ben-Hur, Asa

Motivation: The biological community's reliance on computational annotations of protein function makes correct assessment of function prediction methods an issue of great importance. The fact that a...

InSite: a computational method for identifying protein-protein interaction binding sites on a proteome-wide scale (2007)

Wang, Haidong, Segal, Eran, Ben-Hur, Asa, Li, Qian-Ru, Vidal, Marc, Koller, Daphne

Abstract We propose InSite, a computational method that integrates high-throughput protein and sequence data to infer the specific binding regions of interacting protein pairs. We compared our...

A structural alignment kernel for protein structures (2007)

Qiu, Jian, Hue, Martial, Ben-Hur, Asa, Vert, Jean-Philippe, Noble, William Stafford

Motivation: This work aims to develop computational methods to annotate protein structures in an automated fashion. We employ a support vector machine (SVM) classifier to map from a given class of...

An alignment kernel for protein structures (2007)

Qiu, Jian, Hue, Martial, Ben-Hur, Asa, Vert, Jean-Philippe, Noble, William

Motivation: This work aims to develop computational methods to annotate protein structures in an automated fashion. We employ a support vector machine (SVM) classifier to map from a given class of...

Choosing negative examples for the prediction of protein-protein interactions (2006)

Ben-Hur, Asa, Noble, William

Abstract The protein-protein interaction networks of even well-studied model organisms are sketchy at best, highlighting the continued need for computational methods to help direct experimentalists...

Supplementary Material References E-mail Alerts Rights & Permissions Reprints (2006)

Soo-yon Rhee, Jonathan Taylor, Gauhar Wadhera, Asa Ben-hur, Douglas L. Brutlag, W. Shafer, ...

doi:10.1073/pnas.0607274103 This information is current as of November 2006. High-resolution figures, a citation map, links to PubMed and Google Scholar, etc., can be found at:...

BioMed Central (2006)

Bmc Bioinformatics, Asa Ben-hur, William Stafford Noble, Open Access

Proceedings Choosing negative examples for the prediction of protein-protein interactions

Kernel methods for predicting protein-protein interactions (2005)

Ben-Hur, Asa, Noble, William Stafford

Motivation: Despite advances in high-throughput methods for discovering protein–protein interactions, the interaction networks of even well-studied model organisms are sketchy at best, highlighting...

Result Analysis of the NIPS 2003 Feature Selection Challenge (2004)

Guyon, Isabelle, Gunn, Steve, Ben-Hur, Asa, Dror, Gideon

The NIPS 2003 workshops included a feature selection competition organized by the authors. We provided participants with five datasets from different application domains and called for classification...

CREME: Cis-Regulatory Module Explorer for the human genome (2004)

Roded Sharan, Asa Ben-hur, Gabriela G. Loots, Ivan Ovcharenko

The binding of transcription factors to specific regulatory sequence elements is a primary mechanism for controlling gene transcription. Eukaryotic genes are often regulated by several transcription...

Sequence motifs: highly predictive features of protein function (2004)

Asa Ben-hur, Douglas Brutlag

Summary. Protein function prediction, i.e. classification of protein sequences according to their biological function is an important task in bioinformatics. In this chapter we illustrate that the...

CREME: Cis-Regulatory Module Explorer for the human genome (2004)

Sharan, Roded, Ben-Hur, Asa, Loots, Gabriela G., Ovcharenko, Ivan

The binding of transcription factors to specific regulatory sequence elements is a primary mechanism for controlling gene transcription. Eukaryotic genes are often regulated by several transcription...

Detecting stable clusters using principal component analysis (2003)

Asa Ben-hur, Isabelle Guyon

Clustering is one of the most commonly used tools in the analysis of gene expression data (1, 2). The usage in grouping genes is based on the premise that co-expression is a result of co-regulation....

Bioinformatics (2003)

Vol No Pages, Asa Ben-hur, Douglas Brutlag

Motivation: Remote homology detection is the problem of detecting homology in cases of low sequence similarity. It is a hard computational problem with no approach that works well in all cases.

Bioinformatics (2003)

Vol Suppl Pages, Asa Ben-hur, Douglas Brutlag

Motivation: Remote homology detection is the problem of detecting homology in cases of low sequence similarity. It is a hard computational problem with no approach that works well in all cases.

Detecting Stable Clusters Using Principal Component Analysis (2003)

Asa Ben-Hur, Isabelle Guyon

Clustering is one of the most commonly used tools in the analysis of gene expression data (1, 2) . The usage in grouping genes is based on the premise that co-expression is a result of co-regulation....

Remote homology detection: a motif based approach (2003)

Ben-Hur, Asa, Brutlag, Douglas

Motivation: Remote homology detection is the problem of detecting homology in cases of low sequence similarity. It is a hard computational problem with no approach that works well in all cases....

CREME: a framework for identifying cis-regulatory modules in human-mouse conserved segments (2003)

Sharan, Roded, Ovcharenko, Ivan, Ben-Hur, Asa, Karp, Richard M.

Motivation: The binding of transcription factors to specific regulatory sequence elements is a primary mechanism for controlling gene transcription. Recent findings suggest a modular organization of...

A theory of complexity for continuous time systems (2002)

Asa Ben-hur, Hava T. Siegelmann

We present a model of computation with ordinary differential equations (ODEs) which converge to attractors that are interpreted as the output of a computation. We introduce a measure of complexity...

A theory of complexity for continuous time systems (2002)

Asa Ben-hur

Abstract We present a model of computation with ordinary differential equations (ODEs) which converge to attractors that are interpreted as the output of a computation. We introduce a measure of...

Probabilistic analysis of the phase space flow for linear programming (2001)

Ben-Hur, Asa, Feinberg, Joshua, Fishman, Shmuel, Siegelmann, Hava T.

The phase space flow of a dynamical system leading to the solution of Linear Programming (LP) problems is explored as an example of complexity analysis in an analog computation framework. An ensemble...

Probabilistic analysis of a differential equation for linear programming (2001)

Ben-Hur, Asa, Feinberg, Joshua, Fishman, Shmuel, Siegelmann, Hava T.

In this paper we address the complexity of solving linear programming problems with a set of differential equations that converge to a fixed point that represents the optimal solution. Assuming a...

Support vector clustering (2001)

Asa Ben-hur, David Horn, Hava T. Siegelmann, Vladimir Vapnik

We present a novel clustering method using the approach of support vector machines. Data points are mapped by means of a Gaussian kernel to a high dimensional feature space, where we search for the...

A support vector method for clustering (2001)

Asa Ben-hur, David Horn, Hava T. Siegelmann, Vladimir Vapnik

We present a novel method for clustering using the support vector machine approach. Data points are mapped to a high dimensional feature space, where support vectors are used to define a sphere...

A Support Vector Method for Hierarchical Clustering (2001)

Asa Ben-hur, David Horn, Hava Siegelmann, Vladimir Vapnik

We present a novel method for clustering using the support vector machine approach. Data points are mapped to a high dimensional feature space, where support vectors are used to define a sphere...

A support vector method for clustering (2001)

Asa Ben-hur, Hava T. Siegelmann, David Horn, Vladimir Vapnik

We present a novel method for clustering using the support vector machine approach. Data points are mapped to a high dimensional feature space, where support vectors are used to define a sphere...

CREME: Cis-Regulatory Module Explorer for the human genome

Sharan, Roded, Ben-Hur, Asa, Loots, Gabriela G., Ovcharenko, Ivan

The binding of transcription factors to specific regulatory sequence elements is a primary mechanism for controlling gene transcription. Eukaryotic genes are often regulated by several transcription...

Large-scale identification of yeast integral membrane protein interactions

Miller, John P., Lo, Russell S., Ben-Hur, Asa, Desmarais, Cynthia, Stagljar, Igor, Noble, William Stafford, ...

We carried out a large-scale screen to identify interactions between integral membrane proteins of Saccharomyces cerevisiae by using a modified split-ubiquitin technique. Among 705 proteins annotated...

CREME: Cis-Regulatory Module Explorer for the human genome

Sharan, Roded, Ben-Hur, Asa, Loots, Gabriela G., Ovcharenko, Ivan

The binding of transcription factors to specific regulatory sequence elements is a primary mechanism for controlling gene transcription. Eukaryotic genes are often regulated by several transcription...

Large-scale identification of yeast integral membrane protein interactions

Miller, John P., Lo, Russell S., Ben-Hur, Asa, Desmarais, Cynthia, Stagljar, Igor, Noble, William Stafford, ...

We carried out a large-scale screen to identify interactions between integral membrane proteins of Saccharomyces cerevisiae by using a modified split-ubiquitin technique. Among 705 proteins annotated...

Choosing negative examples for the prediction of protein-protein interactions

Ben-Hur, Asa, Noble, William Stafford

The protein-protein interaction networks of even well-studied model organisms are sketchy at best, highlighting the continued need for computational methods to help direct experimentalists in the...

Genotypic predictors of human immunodeficiency virus type 1 drug resistance

Rhee, Soo-Yon, Taylor, Jonathan, Wadhera, Gauhar, Ben-Hur, Asa, Brutlag, Douglas L., Shafer, Robert W.

Understanding the genetic basis of HIV-1 drug resistance is essential to developing new antiretroviral drugs and optimizing the use of existing drugs. This understanding, however, is hampered by the...

InSite: a computational method for identifying protein-protein interaction binding sites on a proteome-wide scale

Wang, Haidong, Segal, Eran, Ben-Hur, Asa, Li, Qian-Ru, Vidal, Marc, Koller, Daphne

InSite is a computational method that integrates high-throughput protein and sequence data to infer the specific binding regions of interacting protein pairs.