Nijkamp
Erik Nijkamp, Schoenaich DE
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20100223266 | SCALING DYNAMIC AUTHORITY-BASED SEARCH USING MATERIALIZED SUBGRAPHS - According to one embodiment of the present invention, a method for processing a query is provided. The method includes generating a set of pre-computed materialized sub-graphs from a dataset and receiving a search query having one or more search query terms. A particular one of the pre-computed materialized sub-graphs is accessed and a dynamic authority-based keyword search is executed on the particular one of the pre-computed materialized sub-graphs. Nodes in the dataset are then retrieved based on the executing, and a response to the search query is provided which includes the retrieved nodes. | 09-02-2010 |
Karin Nijkamp, Rijssen NL
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20090311760 | HOST CELLS AND USES THEREOF IN THE MICROBIAL PRODUCTION OF HYDROXYLATED AROMATICS - The invention relates to the field of the microbial production of substituted aromatics. In particular, it relates to the production of hydroxylated aromatics from renewable carbon stocks, like sugars or glycerol, via the metabolic intermediate L-tyrosine. Provided is a microbial host cell capable of producing at least one hydroxylated aromatic from a renewable carbon source, wherein at least one enzyme of said host cell that is involved in the degradation of said at least one hydroxylated aromatic is disabled and wherein the de novo synthesis of L-phenylalanine (L-Phe) in said host cell is impeded. Also provided is a method for the microbial production of at least one hydroxylated aromatic from a renewable carbon source, comprising culturing a host cell in the presence of exogenous L-Phe and a renewable carbon source and allowing said host cell to produce said at least one hydroxylated aromatic. | 12-17-2009 |
Rick Gerhardus Nijkamp, Eindhoven NL
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20150083221 | LIGHT COLLECTOR DEVICE - The invention provides a sheet-like light collector device comprising a light receiving side and a light exit side, and a plurality of curved structures of light guiding material comprising an organic dye configured to absorb at least part of the light of a light source and to convert at least part of the absorbed light into converted light in the visible wavelength range. Each curved structure has a convex curved part at the light receiving side, a concave part at the light exit side, and a light exit edge part at the light exit side. Each curved structure has a curvature and light guide thickness configured to facilitate transport of incoupled light and the visible converted light in the direction of the light exit edge part to provide device light escaping from the light exit edge part. | 03-26-2015 |