DUNG KIM NGUYEN
Agencies at Tully Rd, San Jose, CA

2008032, Dec 25, 2008

Aug 31, 2008

12/202303

George Andrei Mihaila - Yorktown Heights NY, US
Dung K. Nguyen - San Jose CA, US
Mayank Pradhan - Santa Clara CA, US

International Business Machines Corporation - Armonk NY

G06F 17/30

707100, 707E17009

A system for determining relationships between hierarchically structured schema components and their effects on and content of tuples, includes: analyzing the hierarchically structured schema with user-supplied mappings and finding elements or attributes mapped to a same relational table; determining relationships between the elements or attributes to be either a one-to-one relationship or a one-to-many relationship based on an information set in the hierarchically structured schema; recording the relationships; and processing a hierarchically structured document against the recorded relationships and generating tuples accordingly. The constructs of a hierarchically structured schema that may affect the cardinality between the attributes of a relation, and thus the contents of the tuples, are considered. A relationship between the hierarchically structured schema model and a relational model is established.

6151685, Nov 21, 2000

May 15, 1998

9/079868

Juan Li - San Jose CA
Dung K. Nguyen - San Jose CA
Mien Shih - Saratoga CA
Hai-Fang Yun - San Jose CA

International Business Machines Corporation - Armonk NY

G06F 1100

714 6

In a storage system comprising an array of storage devices including a processor and memory, a plurality of data blocks are organized on the storage devices in segments striped across the storage devices. A main directory, stored in memory, contains the location on the storage device of each of the data blocks. For each segment a segment directory having information on the data blocks in the segment is stored on the storage devices. When a damaged segment directory is detected, a checkpoint of the main directory is written to the storage devices. A list is maintained of damaged segment directories such that segments on the damaged segment directories list are not garbage collected. Following a main directory recovery procedure, the damaged segment directories are reconstructed using the main directory.

2006013, Jun 22, 2006

Dec 22, 2004

11/021771

Dung Nguyen - San Jose CA, US
Mayank Pradhan - San Jose CA, US

International Business Machines Corporation - Armonk NY

G06F 17/30

707102000

A system and computer-based method is provided for decomposing and storing content of a markup based document into a relational database. For a schema of a markup based document a user identifies multiple items mapping into a same database table-column pair and associates a rowset to each such item and a corresponding database table. Next, the user creates a mapping document based on the schema of the markup based document with rowset-specific mapping annotations defining mapping of the items into columns of the rowsets. Decomposition of each item into a corresponding rowset column is accomplished by collecting the item content from the markup based document and storing it in the corresponding rowset column, for later storage in a database table.

6021509, Feb 1, 2000

May 11, 1998

9/075793

Steven Gerdt - San Jose CA
M. Jaishankar Menon - San Jose CA
Dung Kim Nguyen - San Jose CA

International Business Machines Corporation - Armonk NY

G06F 1100

714 7

A method for rebuilding contents of a malfunctioned direct access storage device within a log-structured array is disclosed. In accordance with the method and system of the present invention, each direct access storage device within a log-structured array is divided into multiple segment-columns, and each corresponding segment-column from each direct access storage device within the log-structured array forms a segment. A segment is first located within the direct access storage devices. A determination is made as to whether or not the segment is empty. In response to a determination that the segment is empty, a pointer is moved within a segment-column mapping table from pointing to a segment-column in the malfunctioned direct access storage device to point to a segment-column in a spare direct access storage device of the segment. In response to a determination that the segment is not empty, rebuilding contents of the segment-column in the malfunctioned direct access storage device to the segment-column in the spare direct access storage device, and moving the pointer within the segment-column mapping table from pointing to the segment-column in the malfunctioned direct access storage device to point to the segment-column in the spare direct access storage device of the segment. The process then returns to the determination step until all segment-columns within the malfunctioned direct access storage device are rebuilt.

7620641, Nov 17, 2009

Dec 22, 2004

11/021195

Dung Kim Nguyen - San Jose CA, US
Mayank Pradhan - San Jose CA, US

International Business Machines Corporation - Armonk NY

G06F 17/00, G06F 17/30

707100, 707200, 715234

A system and computer-based method is provided for context-sensitive decomposition of a markup based document into a relational database, based on schemas with reusable item declarations. The user creates a mapping document from a schema of a markup based document with at least one reusable item declaration defining an item being mapped to different tables/columns pairs, depending on the item's ancestry. Mapping document is then annotated with the item ancestry mapping annotation having a location path of the item. Each item is decomposed into a corresponding table column. Preferably, the mapping document is an annotated XML Schema.

7308455, Dec 11, 2007

Dec 22, 2004

11/021210

Dung Kim Nguyen - San Jose CA, US
Mayank Pradhan - San Jose CA, US

International Business Machines Corporation - Armonk NY

G06F 17/30

707101

A system and computer-based method is provided for decomposing and storing a markup based document into a relational database. For a schema of a markup based document a user identifies multiple items mapping into a same database table-column pair, creates a logical table and associates the logical table to each item and a corresponding database table. Next, a user creates a mapping document of the markup based document with mapping annotations defining mapping of the items into columns of the logical tables. Decomposition of each item into a corresponding logical table column is accomplished by collecting the item content from the markup based document and storing it in the corresponding row column.

8315254, Nov 20, 2012

Dec 10, 2009

12/635174

Boris Reynov - Cupertino CA, US
Euan Mowat - San Francisco CA, US
Venkata Penmetsa - Cupertino CA, US
Shreeram Siddhaye - Sunnyvale CA, US
Jack Kohn - Mountain View CA, US
Dung Nguyen - San Jose CA, US

Juniper Networks, Inc. - Sunnyvale CA

H04L 12/28, H04L 12/50, H04L 12/66, G06F 15/173

370360, 37039521, 37039541, 370401, 370463, 370468, 709223, 709226

A bandwidth management card includes a switch control unit and multiple ports connected to one or more line cards that are separate from the bandwidth management card. The bandwidth management card further includes at least one switch, and multiple network ports, where each of the multiple network ports is connected to a respective link to at least one external network. A first switch of the at least one switch receives instructions from the switch control unit, switches a first subset of the multiple network ports through to a first port of the multiple ports based on the received instructions, and switches a second subset of the multiple network ports through to a second port of the multiple ports based on the received first instructions.

2008028, Nov 13, 2008

Jul 29, 2008

12/182075

Dung Kim NGUYEN - San Jose CA, US
Mayank PRADHAN - Santa Clara CA, US

INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY

G06F 7/00

707100, 707E17125, 707E17045

Pre-processing mapping information for efficient decomposition of an XML document for storage in a database. A mapping document is received that describes how all of (or a portion of) an XML document is to decomposed, the mapping document is transformed into a data structure for decomposing an XML document, and the data is made persistent for use with a subsequent decomposition operation that decomposes an XML document.