Patent application number | Description | Published |
20110090540 | SYSTEM AND METHOD FOR MULTI-RESOLUTION INFORMATION FILTERING - A method for ranking a plurality of documents relevant to a user profile comprises determining a high resolution representation for the user profile, computing a high resolution representation for each document, calculating a rank for each document based on the high resolution representation of the document and the high resolution representation of the user profile, recalculating the rank for each document based on a lower resolution representation of the document and/or a lower resolution representation of the user profile when the rank of each document is not satisfactory, and outputting a number of the plurality of documents sorted by the rank of each document, when the rank is satisfactory. The high resolution representation can be a discrete wavelet transform. The lower resolution representation can be recalculated by averaging the values of the discrete wavelet transform. Outputting the number of documents can comprise displaying the documents on a device. | 04-21-2011 |
20110276552 | RECONSTRUCTION OF TRANSIENT INFORMATION IN INFORMATION DELIVERY SYSTEMS - In a dynamic information delivery context, a system collects data regarding transient information accessed by a user. The user can then query the stored data to reconstruct transient information. The system uses heuristics to help reconstruct transient information. The heuristics include user profile, time stamps, metadata, and indexing. | 11-10-2011 |
20110282862 | SYSTEM AND METHOD FOR PREVENTING NFORMATION INFERENCING FROM DOCUMENT COLLECTIONS - A method for preventing information inferencing from documents comprises creating a document collection view from the documents, obtaining rules based on information to be hidden, establishing a plurality of levels of the rules, said levels ranging from a shallow level to a deepest level, for each level of the rules, from the shallow level to the deepest level, examining the document collection view in accordance with the level of the rules, when said examining detects inferencing, performing trace and repair on the document collection view, and outputting the document collection view. Examining can be performed using a search engine, a natural language processing engine, and a conceptual inferencability engine. The shallow level can correspond to a search engine, a deep level can correspond to a natural language processing engine, and a deepest level can correspond to a conceptual inferencability engine. The documents can be data in digital form. | 11-17-2011 |
Patent application number | Description | Published |
20100089573 | METHOD FOR RECOVERING HEAVY/VISCOUS OILS FROM A SUBTERRANEAN FORMATION - Disclosed are methods for improving the production of heavy/viscous crude oil from subterranean formations comprising secondary production through use of a displacement fluid (typically a waterflood) wherein the subterranean formation is subjected to cyclic periods of overinjection of the displacement fluid followed by underinjection of the displacement fluid, but keeping the overall cumulative voidage replacement ratio (VRR) within a defined range, typically targeted to be about 1. In some aspects, the initial production of such heavy/viscous crude oil is limited, if possible, followed this cyclic secondary production methodology. By keeping the initial production, VRR, and cumulative VRR in defined ranges, the expected ultimate recovery (EUR) can be optimized, and overall production increased for example by as much as 100% or more relative to conventional production methods. | 04-15-2010 |
20110278002 | HYDROCARBON RECOVERY PROCESS - A method for increasing the recovery of crude oil from a reservoir comprising at least one oil-bearing porous subterranean formation having a permeability of greater than 10 millidarcies wherein (a) crude oil and connate water are present within the pore space of the formation rock, and (b) the crude oil that is present in the formation has an American Petroleum Institute (API) gravity of less than 30°, a viscosity under reservoir conditions of greater than 1 centipoise, and undissolved solids suspended therein, the method comprising: (A) injecting an injection water into the formation wherein the injection water has undissolved solids suspended therein, a total dissolved solids content (TDS) of 30,000 ppm or less, and a ratio of the total multivalent cation content of the injection water to the total multivalent cation content of the connate water of less than 0.9; and (B) producing within the hydrocarbon-bearing formation an emulsion comprising a discontinuous aqueous phase and a continuous oil phase (hereinafter “water-in-oil” emulsion) wherein the total amount of undissolved solids suspended in the injection water and of undissolved solids suspended in the crude oil is sufficient for the emulsion to have an undissolved suspended solids content of at least 0.05% by weight (0.5 kg/m | 11-17-2011 |