I'm responsible for collecting and processing crowd sourced data in producing high precision map data for Apollo platform. Several jobs include: improving GPS positon precision accuracy aquired from consumer level auto recorder, analyzing the difference between current high precision map data and incoming crowd sourced data, updating the lane and traffic sign & marking position.

My deputy is expanding market and working with our team to develop software for our clients. These include: 1.Beidou Global Navigation Based Intelligent Transport System for BDStar Navigation Co.(stock code: 002151). Helping manage electric bicycles installed with Chinese Beidou positiong device. Displaying current bicycle position, history trace, and insurance status. Setting device control parameters such fence area, uploading time interval. Allowing administrators send sms using android app. Building serverside services using C#,.Net,IIS, pc-side web page using JQuery, css, Baidu maps API, mobile app using H5, jsTree, Intel XDK.2.Bank Data Anylysis System for China CITIC Bank (stock code: 601998)3.Personal Health Management System for Aeon Life Insurance Co.4.Flood Disaster Stastic and Mining System for China Institute of Water Resources and Hydropower Research (IWHR)5.Training LBS(Location Based Services) skills for China Telecom (stock code: 00728) Guangdong Province Branch6.Training WeChat development skills for China Unicom (stock code: 600050) Shanxi Province Branch7.Training one month PostgreSQL kernel course for Ethiopia (Africa) Software Team 8.Zainaer OBD(On-Board Diagnostic) Data Receivement System & Android APP for Huaxia Xingtong Co.9.PostgreSQL/Postgres-XC RPM installer package for China Longson MIPS architecture OS10.Bugubugu Cafe Books Borrow APP (HTML5&Ionic) for Beijing Bugubugu Cultural Ltd.11.Indoor 3-D Building Fireworks Equipment Management for Haidian Incubator12.Temperature Sensor Data Acquisition System for Shengshianhe Energy-saving Technology Co.13.Patent Database & CMS & BBS & Website System for CASHIP Co.14.Greenplum Performance Tuning Project for Beijing Aifadi Information Co.15.Canada Chinese-Restaurant Search APP: Chihuo for WOOKONG Corp., Canada16.Parking Vehicles Management for a personal clientCompany Website is http://www.twolittlebaby.com.

Publishings:[1].Peng Sun, Yan Huang, Chengyang Zhang. Cluster-By: An Efficient Clustering Operator in Emergency Management Database Systems. (In) WAIM 2013-BigEM, 2013.6., http://dblp.uni-trier.de/db/conf/waim/waimw2013.html[2].Peng Sun, Chengde Han, Tao Zeng. S-DBSCAN: A DBSCAN-based Algorithm To Find High Density Clusters. (In) Journal of High Technology Letters, 2012.3.Books:[1] Chinese Version: 'Spatial Database Systems Design, Implementation and Project Management' (http://www.springer.com/us/book/9781402053917), (http://www.amazon.cn/%E5%9B%BE%E4%B9%A6/dp/B00DTQX7UM).Projects:1. Indoor 3-D Intelligent Ship Management System ( ISMS). Led spatial database group to develop ISMS. Import 3-D model as Solid data type in Oracle spatial database, develop indoor path-planning, use OSG (OpenSceneGraph) to develop client side interface system.Open Source Community:1. CPUG ( China Postgres User Group ) committee member, co-orgnized Conference 2011, 2012, 2013, gave speech: 1) How to implement Cluster-by clause in PostgreSQL 2) How to make PostgreSQL RPM installer without dependency packages 3) How to use JSONB type in database design

Led Web-GIS team to develop Tongmap web map website, construct community helping share user-generated POI ( Point Of Interests ). I'm also the main contributor and maintainer of geostatistics module in VegGIS platform similar as ArcGIS from ESRI using C++. In VegaGIS platform, geostatistics module is an important component. Geostatistics analysis usually includes correlation analysis, regression analysis, cluster analysis, time series analysis, Gray-Markov prediction, Kriging interpolation and so on. In 2010 Tongmap Inc. has been acquired by Beijing Teamsun Technology Co., Ltd (stock code: 600410, http://www.teamsun.com.cn/en/ ).