Jian Hui Xu from Oakland, CA, age 68

Medicine Doctors

Jian Xu, San Francisco CA - LAC

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Specialties:

Acupuncture

Address:

915 Geneva Ave, San Francisco, CA 94112

Languages:

English

Us Patents

Generating One Or More Xml Documents From A Single Sql Query
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US Patent:

6636845, Oct 21, 2003
Filed:

Jan 31, 2002
Appl. No.:

10/066523
Inventors:

Hoang K. Chau - Sunnyvale CA
Isaac Kam-Chak Cheng - San Jose CA
Josephine Miu Cheng - San Jose CA
Suet Mui Chiu - San Jose CA
Michael Leon Pauser - Morgan Hill CA
Jian Xu - San Jose CA
Assignee:

International Business Machines Corporation - Armonk NY
International Classification:

G06F 1730
US Classification:

707 1, 707513
Abstract:

A technique is provided for generating one or more XML documents from a single SQL query. Data stored on a data storage device that is connected to a computer is transformed. A query is received that selects data stored in a relational database management system on the data storage device, wherein a data access definition defines: (1) a collection of one or more tables in the relational database management system for storing attributes from an XML document, (2) how data stored in the tables maps to the XML document, (3) a query for mapping the data stored in the tables to the XML document, and (4) a table that will contain the XML document after the XML document is generated. Then, one or more XML documents are generated from the selected data using the data access definition.

Storing Fragmented Xml Data Into A Relational Database By Decomposing Xml Documents With Application Specific Mappings
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US Patent:

6643633, Nov 4, 2003
Filed:

Jan 31, 2002
Appl. No.:

10/062069
Inventors:

Hoang K. Chau - Sunnyvale CA
Isaac Kam-Chak Cheng - San Jose CA
Josephine Miu Cheng - San Jose CA
Suet Mui Chiu - San Jose CA
Michael Leon Pauser - Morgan Hill CA
Jian Xu - San Jose CA
Assignee:

International Business Machines Corporation - Armonk NY
International Classification:

G06F 1730
US Classification:

707 1, 707513
Abstract:

A technique is provided to store fragmented XML data into a relational database by decomposing XML documents with application specific mappings. Data stored on a data store that is connected to a computer is transformed. Initially, an XML document containing XML data is received. A document access definition that identifies one or more relational tables and columns is received. The XML data is mapped from the application DTD to the relational tables and columns using the document access definition by generating a first document object model tree using the XML document, generating a second document object model tree using the document access definition, and mapping the data from the first document object model tree into columns in one or more relational rabies using the second document object model tree.

Electronically Tunable Rf Diplexers Tuned By Tunable Capacitors
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US Patent:

6683513, Jan 27, 2004
Filed:

Oct 24, 2001
Appl. No.:

10/000471
Inventors:

Khosro Shamsaifar - Ellicott City MD
Jian Xu - Clarksville MD
Assignee:

Paratek Microwave, Inc. - Columbia MD
International Classification:

H01P 1213
US Classification:

333135, 333209
Abstract:

A diplexer includes a first tunable bandpass filter connected to a first port, a second tunable bandpass filter connected to a second port, and a coupling element for coupling the first bandpass filter and the second bandpass filter to a third port. Each of the tunable bandpass filters includes a tunable capacitor, wherein a control signal applied to the tunable capacitor controls the transmission characteristic of the filter. The tunable capacitor can be a tunable dielectric varactor or a microelectromechanical variable capacitor. The coupling element can include one of: a circulator, a T-junction, and an orthomode transducer. Each of the first and second filters can comprise a fin line filter including a plurality of tunable dielectric capacitors mounted within a waveguide for controlling the filter transmission characteristics. Fixed bandpass filters can be inserted between each of the tunable bandpass filters and the coupling element.

Xml Document Stored As Column Data
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US Patent:

6721727, Apr 13, 2004
Filed:

Nov 29, 2000
Appl. No.:

09/725363
Inventors:

Hoang K. Chau - Sunnyvale CA
Isaac Kam-Chak Cheng - San Jose CA
Josephine Miu Cheng - San Jose CA
Suet Mui Chiu - San Jose CA
Michael Leon Pauser - Morgan Hill CA
Jian Xu - San Jose CA
Assignee:

International Business Machines Corporation - Armonk NY
International Classification:

G06F 1730
US Classification:

707 3, 707 4
Abstract:

A technique is provided for creating metadata for fast search of XML documents stored as column data. Data is stored in a data store connected to a computer. A main table is created in a relational database management system, wherein the main table has a column for storing an extensible markup language (XML) document in a native XML format One or more side tables are created in the relational database management system, wherein each side table has one or more columns that store one or more attributes extracted from die XML document for fast searching of the XML document. Thereafter, the side tables are used to locate data in the main table.

Stable Mechanical Devices For Precision Optical Alignment And Packaging
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US Patent:

7073952, Jul 11, 2006
Filed:

Jun 5, 2002
Appl. No.:

10/163405
Inventors:

Frank Xi Wu - Fremont CA, US
Jian Xu - Pleasanton CA, US
Ming Li - Pleasanton CA, US
Song Peng - Pleasanton CA, US
Assignee:

Avanex Corporation - Fremont CA
International Classification:

G02B 6/26
G02B 7/00
US Classification:

385 62, 385 90, 385 28, 359896, 24828831
Abstract:

An optical alignment device holds fiber collimators in place with extremely good mechanical and environmental stability. The device includes a ball with a hole traversing the ball, an upper clamping block with a first inner concave spherical surface and a lower clamping block with a second inner concave spherical surface. The hole includes a shape that can accommodate or contact an optical component whose alignment is to be controlled. The ball, together with the enclosed optical component is firmly held between the first and second inner concave surfaces of the clamping blocks, which are tightened against the ball with screws. When firmly clamped within the concave surfaces, the ball is prevented from accidental movement but can still rotate about any axis to align the optical component. Once alignment is achieved, the optical component and the ball are secured in place by epoxy, glue, solder or other suitable adhesive.

Generating One Or More Xml Documents From A Relational Database Using Xpath Data Model
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US Patent:

7174327, Feb 6, 2007
Filed:

Jan 31, 2002
Appl. No.:

10/062127
Inventors:

Hoang K. Chau - Sunnyvale CA, US
Isaac Kam-Chak Cheng - San Jose CA, US
Josephine Miu Cheng - San Jose CA, US
Suet Mui Chiu - San Jose CA, US
Michael Leon Pauser - Morgan Hill CA, US
Jian Xu - San Jose CA, US
Assignee:

International Business Machines Corporation - Armonk NY
International Classification:

G06F 17/30
US Classification:

707 3, 707 4
Abstract:

A technique is provided for generating one or more XML documents from a relational database using the XPath data model. Data stored on a data storage device that is connected to a computer is transformed. Initially, a document object model tee is generated using a document access definition, which defines the mapping between an XML tree structure and relational tables. The document object model tree is traversed to obtain information to retrieve relational data. The relational data is mapped to one or more XML documents.

Photolithography With Optical Masks Having More Transparent Features Surrounded By Less Transparent Features
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US Patent:

7771903, Aug 10, 2010
Filed:

May 28, 2008
Appl. No.:

12/128456
Inventors:

Fenghong Zhang - Sunnyvale CA, US
Xinyu Zhang - Palo Alto CA, US
Jian Xu - San Jose CA, US
Assignee:

Promos Technologies Pte. Ltd. - Singapore
International Classification:

G03F 1/00
G03C 5/00
US Classification:

430 5, 430311
Abstract:

In photolithographic exposure, a feature () of an optical mask is projected onto a dark area (). The light intensity inside the dark area is reduced by providing a non-printable clear cutout () inside the feature. The optical mask has the same optical pathlength outside the feature () adjacent to the entire outer boundary of the feature as at the cutout, the optical pathlength being measured along the optical mask's thickness.

Translating Between Address Representations
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US Patent:

20110078553, Mar 31, 2011
Filed:

Sep 29, 2009
Appl. No.:

12/569411
Inventors:

Falk Reimann - Heidelberg, DE
Gautam Dharamshi - Sunnyvale CA, US
Jian Xu - Santa Clara CA, US
Yang-Cheng Fan - San Jose CA, US
International Classification:

G06F 17/00
US Classification:

715234
Abstract:

Translation of uniform resource locators (URLs). A URL is received, in a computer system and from a computer device, referring to a resource managed by a first application in the computer system, for which resource the computer system uses an internal URL. A first rule set is selected from among multiple rule sets assigned to a respective one of multiple applications, based on the first rule set being assigned to the first application. At least a portion of the URL is matched with a rule in the first rule set identifying an internal URL portion as corresponding to the portion of the URL. The internal URL portion is included in a translated URL, wherein a second rule set identifies another internal URL portion as corresponding to the portion of the URL. At least part of the resource is forwarded to the computing device.