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El-Zein

Ali El-Zein, London GB

Patent application numberDescriptionPublished
20110130236Braking System - The present invention relates to a braking system (06-02-2011

Ali S. El-Zein, Austin, TX US

Patent application numberDescriptionPublished
20080209389Method, System and Program Product Supporting Sequential Encoding for Relational Analysis (SERA) of a Software Model - A method of verifying a software system includes receiving a description of a software system described utilizing a high-level modeling language, and responsive thereto, parsing the description and constructing an abstract syntax graph. The abstract syntax graph is transformed into a sequential logic representation of the software system, and following the transforming, the software system is verified based upon the sequential logic representation. Following verification, results of verification of the software system are output.08-28-2008
20100058256CO-OPTIMIZATION OF EMBEDDED SYSTEMS UTILIZING SYMBOLIC EXECUTION - Co-Optimization utilizing Symbolic Execution (COSE) works across components of an embedded design to optimize structures therein. COSE utilizes symbolic execution (SE) to analyze software components and defines a limited set of values that software feeds hardware as constraints. SE explores substantially all possible paths of execution of the code specifying a component. It accomplishes this by accumulating path conditions (PCs) and annotating them to the corresponding segments of the component. A PC is associated with a branch of code and consists of the conjunction of conditions over input and state variables necessary and sufficient for the branch to execute. These PCs define constraints that limit the set of values that software feeds hardware. These constraints are then propagated across the networks of the design and employ static analysis techniques such as constant propagation, redundancy removal, and don't care optimizations to reduce the hardware components.03-04-2010

Patent applications by Ali S. El-Zein, Austin, TX US

Alis S. El-Zein, Austin, TX US

Patent application numberDescriptionPublished
20090193390TECHNIQUES FOR MODELING VARIABLES IN SUBPROGRAMS OF HARDWARE DESCRIPTION LANGUAGE PROGRAMS - A method, system and computer program product for modeling variables in subprograms of a HDL program. A subprogram is provided with an initial value of a variable of an element being modeled and the subprogram is stored in memory of a data processing system. In response to a subprogram call, a copy of the stored subprogram is provided to the requesting HDL program. During execution, the initial value of the variable in the provided copy of the subprogram may be modified by the HDL program, but the value retains unchanged in the stored subprogram.07-30-2009

Randa A. El-Zein, League City, TX US

Patent application numberDescriptionPublished
20100173289Methods for Assessing Cancer Susceptibility to Carcinogens in Tobacco Products - The present invention demonstrates the differential sensitivity of PBLs from lung cancer patients and healthy controls to NNK-induced genetic damage. The data provide convincing evidence that the preferred CBMN assay is a robust test for detection of this sensitivity and yields results that are a good predictor of, for example, lung cancer risk. The simplicity, rapidity, and sensitivity of the CBMN test make it a valuable tool for screening and, for example, prioritizing potential cases for early detection of the disease.07-08-2010