J
José Luis Ambite
Researcher at University of Southern California
Publications - 164
Citations - 5801
José Luis Ambite is an academic researcher from University of Southern California. The author has contributed to research in topics: Population & Genome-wide association study. The author has an hindex of 38, co-authored 152 publications receiving 5020 citations. Previous affiliations of José Luis Ambite include Information Sciences Institute & Georgia State University.
Papers
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Proceedings ArticleDOI
Optimizing query rewriting for multiple queries
TL;DR: An approach where answering n queries takes less than n times the cost of answering one query, by compactly representing and indexing common patterns in the input queries and the views is developed.
Journal ArticleDOI
Post-Genome-Wide Association Study Challenges for Lipid Traits: Describing Age as a Modifier of Gene-Lipid Associations in the Population Architecture Using Genomics and Epidemiology (PAGE) Study
Logan Dumitrescu,Cara L. Carty,Nora Franceschini,Lucia A. Hindorff,Shelley A. Cole,Petra Bůžková,Fredrick R. Schumacher,Charles B. Eaton,Robert Goodloe,David Duggan,Jeff Haessler,Barbara Cochran,Brian E. Henderson,Iona Cheng,Karen C. Johnson,Chris S. Carlson,Shelly-Ann Love,Kristin Brown-Gentry,Alejandro Q. Nato,Miguel Quibrera,Garnet L. Anderson,Ralph V. Shohet,José Luis Ambite,Lynne R. Wilkens,Loic Le Marchand,Christopher A. Haiman,Steven Buyske,Charles Kooperberg,Kari E. North,Myriam Fornage,Dana C. Crawford +30 more
TL;DR: None of the suggestive modifying effects survived adjustment for multiple testing, highlighting the challenges of identifying modifiers of modest SNP‐trait associations despite large sample sizes.
Proceedings ArticleDOI
Exploiting Data Semantics to Discover, Extract, and Model Web Sources
José Luis Ambite,Craig A. Knoblock,Kristina Lerman,Anon Plangprasopchok,Thomas A. Russ,Cenk Gazen,Steven Minton,Mark James Carman +7 more
TL;DR: An end-to-end validation of the Deimos system in two information domains is provided to show that it can successfully discover and model new data sources in those domains.
Proceedings Article
EntityBases: Compiling, Organizing and Querying Massive Entity Repositories.
Craig A. Knoblock,José Luis Ambite,Kavita Ganesan,Maria Muslea,Steven Minton,Greg Barish,Evan Gamble,Claude Nanjo,Kane See,Cyrus Shahabi,Ching-Chien Chen +10 more
TL;DR: This paper describes how the issues of linking entities with multi-valued attributes obtained from heterogeneous sources and providing a virtual repository that can be efficiently queried are addressed and shows how an EntityBaseTM can be used for understanding and linking text documents.
Book ChapterDOI
Abstract Meaning Representations as Linked Data
TL;DR: The benefits of AMR-LD, including convenient analysis using SPARQL queries and ontology inferences enabled by embedding into the web of Linked Data, as well as the impact of semantic web representations directly derived from natural language.