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BACKGROUND The regulatory map of a genome consists of the binding sites for proteins that determine the transcription of nearby genes. An initial regulatory map for S. cerevisiae was recently published using six motif discovery programs to analyze genome-wide chromatin immunoprecipitation data for 203 transcription factors. The programs were used to(More)
MOTIVATION Discovery of regulatory motifs in unaligned DNA sequences remains a fundamental problem in computational biology. Two categories of algorithms have been developed to identify common motifs from a set of DNA sequences. The first can be called a 'multiple genes, single species' approach. It proposes that a degenerate motif is embedded in some or(More)
Sparse representation-based classifier (SRC), a combined result of machine learning and compressed sensing, shows its good classification performance on face image data. However, SRC could not well classify the data with the same direction distribution. The same direction distribution means that the sample vectors belonging to different classes distribute(More)
The University of California, Santa Cruz, Genome Browser Database (GBD) provides integrated sequence and annotation data for a large collection of vertebrate and model organism genomes. Seventeen new assemblies have been added to the database in the past year, for a total coverage of 19 vertebrate and 21 invertebrate species as of September 2007. For each(More)
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique capabilities. First, it provides a location privacy protection preference profile model, called location P3P, which allows mobile users to explicitly define their preferred(More)
Consider a mobile client who travels over roads and wishes to receive location-based services (LBS) from untrusted service providers. How might the user obtain such services without exposing her private position information? Meanwhile , how could the privacy protection mechanism incur no disincentive, e.g., excessive computation or communication cost, for(More)
This paper surveys the technological principles and advantages of emerging high-speed digital signal processing (DSP)-based optical Orthogonal Frequency Division Multiplexing (OFDM) passive optical networks (PON), with a focus on bandwidth flexibility, service transparency and cost-efficiency. Advanced modulation and detection(More)
There are some minor typos of the sort wherein an " an " is printed as " and ". I list below the more substantive typos. Chapter 4. Page 34. The line immediately after the formula should start " where   t  is a zero-mean white noise process… " Chapter 4. Page 36. Line immediately after the formula should be " …a power series expansion of   1 1 L
The UCSC Genome Browser Database (GBD, http://genome.ucsc.edu) is a publicly available collection of genome assembly sequence data and integrated annotations for a large number of organisms, including extensive comparative-genomic resources. In the past year, 13 new genome assemblies have been added, including two important primate species, orangutan and(More)