QiFan Chen

Person

Round Rock, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Incrementally updating a database statistic
- Patent number 10,922,314
- Issue date Feb 16, 2021
- MICRO FOCUS LLC
- QiFan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Managing database with counting bloom filters
- Patent number 10,452,676
- Issue date Oct 22, 2019
- Hewlett Packard Enterprise Development LP
- QiFan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Incrementally updating statistics
- Patent number 10,430,411
- Issue date Oct 1, 2019
- MICRO FOCUS LLC
- Choudur Lakshminarayan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Query plan determination
- Patent number 9,922,080
- Issue date Mar 20, 2018
- Hewlett Packard Enterprise Development LP
- Qifan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Estimating unique entry counts using a counting bloom filter
- Patent number 9,465,826
- Issue date Oct 11, 2016
- Hewlett Packard Enterprise Development LP
- Choudur Lakshminarayan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data skew insensitive parallel join scheme
- Patent number 9,348,869
- Issue date May 24, 2016
- Hewlett Packard Enterprise Development LP
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for outer joins on a parallel database management...
- Patent number 8,812,484
- Issue date Aug 19, 2014
- Hewlett-Packard Development Company, L.P.
- Awny K Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data skew insensitive parallel join scheme
- Patent number 8,799,272
- Issue date Aug 5, 2014
- Hewlett-Packard Development Company, L.P.
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Selectivity-based optimized-query-plan caching
- Patent number 8,224,806
- Issue date Jul 17, 2012
- Hewlett-Packard Development Company, L.P.
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
INCREMENTALLY UPDATING A DATABASE STATISTIC
- Publication number 20180107715
- Publication date Apr 19, 2018
- QiFan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
QUERY PLAN POST OPTIMIZATION ANALYSIS AND REOPTIMIZATION
- Publication number 20170024433
- Publication date Jan 26, 2017
- HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
- Ravisha Neelakanthappa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
QUERY PLAN DETERMINATION
- Publication number 20160364447
- Publication date Dec 15, 2016
- Hewlett-Packard Development Company, L.P.
- Qifan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGING DATABASE WITH COUNTING BLOOM FILTERS
- Publication number 20160342667
- Publication date Nov 24, 2016
- HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
- QiFan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Incrementally Updating Statistics
- Publication number 20160110417
- Publication date Apr 21, 2016
- Hewlett-Packard Development Company, L.P.
- Choudur Lakshminarayan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INCREMENTALLY UPDATED SAMPLE TABLES
- Publication number 20140330768
- Publication date Nov 6, 2014
- Hewlett-Packard Development Company, L.P.
- Hansjorg Zeller
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Estimating Unique Entry Counts Using a Counting Bloom Filter
- Publication number 20140149433
- Publication date May 29, 2014
- Hewlett-Packard Development Company, L.P.
- Choudur Lakshminarayan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR PERFORMING A NESTED JOIN OPERATION
- Publication number 20130232133
- Publication date Sep 5, 2013
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR SEARCHING A SEARCH SPACE OF A QUERY
- Publication number 20120179669
- Publication date Jul 12, 2012
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data Skew Insensitive Parallel Join Scheme
- Publication number 20120117055
- Publication date May 10, 2012
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR OUTER JOINS ON A PARALLEL DATABASE MANAGEMENT...
- Publication number 20120117056
- Publication date May 10, 2012
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SELECTIVITY-BASED OPTIMIZED-QUERY-PLAN CACHING
- Publication number 20110029508
- Publication date Feb 3, 2011
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA SKEW INSENSITIVE PARALLEL JOIN SCHEME
- Publication number 20090024568
- Publication date Jan 22, 2009
- Awny K. Al-Omari
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Incrementally updating a database statistic

Managing database with counting bloom filters

Incrementally updating statistics

Query plan determination

Estimating unique entry counts using a counting bloom filter

Data skew insensitive parallel join scheme

System and method for outer joins on a parallel database management...

Data skew insensitive parallel join scheme

Selectivity-based optimized-query-plan caching

Patents Applicationslast 30 patents

INCREMENTALLY UPDATING A DATABASE STATISTIC

QUERY PLAN POST OPTIMIZATION ANALYSIS AND REOPTIMIZATION

QUERY PLAN DETERMINATION

MANAGING DATABASE WITH COUNTING BLOOM FILTERS

Incrementally Updating Statistics

INCREMENTALLY UPDATED SAMPLE TABLES

Estimating Unique Entry Counts Using a Counting Bloom Filter

SYSTEMS AND METHODS FOR PERFORMING A NESTED JOIN OPERATION

SYSTEMS AND METHODS FOR SEARCHING A SEARCH SPACE OF A QUERY

Data Skew Insensitive Parallel Join Scheme

SYSTEM AND METHOD FOR OUTER JOINS ON A PARALLEL DATABASE MANAGEMENT...

SELECTIVITY-BASED OPTIMIZED-QUERY-PLAN CACHING

DATA SKEW INSENSITIVE PARALLEL JOIN SCHEME