Experience

DANS

• Netherlands
• IT Services and IT Consulting
• 1 - 100 Employee

• Senior R&D Engineer

  • Jul 2016 - Present

  Leading technical development of the FAIR Data Platform in Horizon Europe 2020 projects, defining vision, roadmap, fostering innovation and managing technical teams. I have made a significant contribution to the development of the Open Source data platform called Dataverse as a common solution for all EU countries participating in the European Open Science Cloud (EOSC). R&D tasks in the national and international projects: - oversee the technical roadmap and lead multi-disciplinary teams - doing research leading to high-tech innovations - taking various roles as expert, data scientist, team lead or lead software engineer - giving a technical advise and finding solutions for technical problems - helping different projects to design and build prototypes and systems for research infrastructures - coaching and mentoring people to build bridge between researchers and technical staff - explaining and translating the most difficult topics to different groups of people to avoid miscommunication - collecting requirements from research communities - implementing and promoting new features, designing new products Show less



Institute for Knowledge Organization and Structure, Inc.

• Information Services

• DANS personal member

  • May 2023 - Present

  The Institute for Knowledge Organization and Structure (IKOS) is a private, not-for-profit, scientific research institute. The goal of the institute is to promote and conduct research in the order and structure of knowledge, including empirical, experimental and quasi-experimental research using domain analytical methods. The mission of the IKOS is to discover, document, disseminate and generate implementations of the orders and structures of knowledge. The Institute for Knowledge Organization and Structure (IKOS) is a private, not-for-profit, scientific research institute. The goal of the institute is to promote and conduct research in the order and structure of knowledge, including empirical, experimental and quasi-experimental research using domain analytical methods. The mission of the IKOS is to discover, document, disseminate and generate implementations of the orders and structures of knowledge.



USA Repository Services LLC

• United States
• IT Services and IT Consulting

• Software Developer, Technical Lead, R&D

  • Dec 2013 - Jul 2016

  The Electronic Repository of Russian Historical Statistics is the first research tool of its kind and scope to be created in the Russian Federation. My role (0.2 FTE) is development of ETL (Extract, Load, Transform) processes in order to store qualitative datasets in the structure of relational database and frontend prototyping. The aim of this research project is to create an on-line electronic repository of Russian historical statistics. The repository operates on the principle of a historical data-hub, bringing together data extracted from various published and unpublished sources in one place. Its principal focus is Russian economic and social history of the last three centuries (18th-21st). All datasets will be visualized in the different way to extract insights and get meaning out of the data stored in the repository. Participating institutions are: - Interdisciplinary Centre for Studies in History, Economy and Society (ICSHES) - International Institute of Social History (Royal Netherlands Academy of Arts and Sciences), Amsterdam, Netherlands - New Economic School, Moscow, Russia (NES) Website with indicators: https://ristat.org/datasets/indicators API service description: https://github.com/IISH/rusrep/tree/master/service https://github.com/IISH/rusrep/tree/development Presentation of the project: https://docs.google.com/presentation/d/16Lugg-oMe4YAa66MSrDwqrmKhP13h98x-0eMJIWBPec/pub?start=false&loop=false&delayms=3000 Show less



Royal Netherlands Academy of Arts and Sciences

• Amsterdam Area, Netherlands

• Software Developer, Architect, Technical Lead

  • Jun 2011 - Jul 2016

  The Royal Netherlands Academy of Arts and Sciences (In Dutch: Koninklijke Nederlandse Akademie van Wetenschappen, abbreviated: KNAW) is an organisation dedicated to the advancement of science and literature in the Netherlands. http://knaw.nl My duty is support of researchers with innovative tools, data mining, collecting, compiling, wrangling and scraping data from various sources, the development of data mining and text mining systems, data visualization and advanced analytics. The Royal Netherlands Academy of Arts and Sciences (In Dutch: Koninklijke Nederlandse Akademie van Wetenschappen, abbreviated: KNAW) is an organisation dedicated to the advancement of science and literature in the Netherlands. http://knaw.nl My duty is support of researchers with innovative tools, data mining, collecting, compiling, wrangling and scraping data from various sources, the development of data mining and text mining systems, data visualization and advanced analytics.



Clio Infra 4

• Amsterdam Area, Netherlands

• Senior Software Developer/Architect, Data Scientist, Data Visualization Expert, Technical Lead

  • May 2015 - May 2016

  Full Stack Development (Python Pandas, Flask, MongoDB, Redis, D3.js, Node.js & JavaScript) of Clio Infra collaboration platform (version 4) based on the Dataverse data repository developed by Harvard University. The mission of the project is to build the bridge between Data Collections and Research Datasets. “Old school” researchers are be able to transmit all experience and datasets to young researchers from Digital Humanities field that use various computer tools to collect, analyze and combine research datasets they’ve got from older generation of researchers. Web: https://www.clio-infra.eu Github: https://github.com/IISH/dpe Show less



Netherlands Geographic Information System (NLGIS-2)

• Amsterdam Area, Netherlands

• Software Developer, Technical Lead, Data Scientist, R&D

  • Sep 2014 - Dec 2014

  The NLGIS-2 (Netherlands Geographic Information System) project is an effort to plot data for these municipalities on historically accurate municipality boundaries for the period 1812 - 1997. R package should be developed to integrate maps and data in package, write plotting functions (D3 library, Google Maps) and use open standards for data exchange for commercial and scientific purposes. Python package will be intended for professional users interested in historical maps. Technologies and languages used: Python (flask, pandas, numpy), Perl, R, MongoDB, Postgresql, GIS, D3 library, data: JSON/XML Website: http://nlgis.nl Geojson/Topojson API: http://nlgis.nl/api/maps?year=1942 Demo of D3 map visualizations based on nlgis2 AP merged with data from research datasets: http://nlgis.nl/site?year=1948&code=TXVV Boundaries changes use case for Utrecht in 1812, 1948 and 1997 (iPython notebook): http://nbviewer.ipython.org/github/rlzijdeman/nlgis2/blob/master/maps/usecases/viewer.ipynb Data Analysis use case with pandas and vincent python libraries: http://nbviewer.ipython.org/github/rlzijdeman/nlgis2/blob/master/maps/usecases/dataapi.ipynb Github: https://github.com/IISH/nlgis2 Presentation: https://github.com/IISH/nlgis2/blob/master/presentations/dans_20150502/nlgis2_demo_03.pdf Use case: https://raw.githubusercontent.com/rlzijdeman/nlgis2-1/master/graphs/Screenshot_nlgis2_R_hismap01.png Show less



International Institute of Social History

• Amsterdam Area, Netherlands

• Library Systems Software Developer, Collection Development

  • Jun 2011 - Sep 2014

  The International Institute of Social History (IISH) collects information in the field of social history and makes it available to the public. The IISH is one of the major scientific heritage institutions in the Netherlands. In the field of socio-economic historical research IISH plays a prominent role. My role (0.4 FTE) was the development of library tools and maintenance of Evergreen open source library system used by library staff as storage system for metadata about books, archives and collections, creating websites and visual tools for Historical Science related projects. http://www.socialhistory.org Show less



TR-HiTiME/ISHER: Visualization of the Strikes in Netherlands

• Nijmegen Area, Netherlands - Amsterdam, Netherlands

• Data Visualization Expert, Software Developer

  • Aug 2013 - Oct 2013

  The development of visual interface to discover information about strikes related events and participants, to provide the means for automatically structuring and enriching existing secondary historical resources which have been manually created by historians, and called Strikes Database. Information automatically acquired from primary historical resources, such as the National Library of the Netherlands (KB) digital archive of historical Dutch newspapers, and linked and associated to primary and secondary historical resources as charts, maps and timelines. The implementation is based on outcome of the two projects: NWO/CATCH HiTiME: Historical Timeline Management & Extraction NWO/Digging Into Data ISHER: Integrated Social History Environment for Research - Digging into Social Unrest Visualization tools are Open Flash and D3.js (bar and pie charts), Timeline.js (articles timeline), StatPlanet (map of Netherlands and events timeline), Cal-HeatMap (daily calendar). Demo: http://ristat.sandbox.socialhistoryservices.org/strikes/ Presentation: http://www.slideshare.net/vty/hitimevisualization Show less



Historical Timeline Mining and Extraction (HiTiME)

• Amsterdam Area, Netherlands

• System Architect, Text Mining, Big Data

  • Oct 2012 - Oct 2013

  HiTIME project funded within the CATCH (Continuous Access to Cultural Heritage) programme of NWO, the Netherlands Organization for Scientific Research. The goal of HiTiME (0.2 FTE) is the development of a Big Data text analysis system for the recognition and extraction of historical events and facts from a variety of primary and secondary historical sources, such as biographies, brochures, letters and old newspaper articles. http://www.nwo.nl/en/research-and-results/research-projects/79/2300153679.html The project consists of two different parts: 1. Searching and matching named entities extracted by HiTIME tool with authorities stored in the library (Linked Data). This part is implemented as Big Data system with Map/Reduce methodology in Hadoop framework with using of Sphinx search engine to match and link gazetteers extracted from other sources. 2. Making predictions about unknown named entities (Natural Language Processing tools) that can be stored as authorities in the library system. Toolkit is based on Stanford NER and Frog framework for Dutch language. Public API: http://clearance.sandbox.socialhistoryservices.org/api/ Geo API: http://clearance.sandbox.socialhistoryservices.org/geo/?debug=0&text=Amsterdam+Zuid Hadoop Map: http://clearance.sandbox.socialhistoryservices.org/examples/hitime_tokens.txt About HiTIME: http://www.ictonderzoek.net/binaries/content/assets/bestanden/ipn/2014-maart-io-magazine.pdf Show less



Clio Infra

• Amsterdam Area, Netherlands

• Technical Lead, Research & Development

  • Nov 2011 - Jul 2013

  CLIO INFRA project (0.4 FTE) is embedded within the European Commission Initiative Digital Research Infrastructure for the Arts and Humanities (DARIAH) and will integrate a number of databases (hubs) consisting of data on global social, economic and institutional indicators over the past five centuries, with special attention for the past 200 years. Scales for every dataset calculated automatically with using functions from R language, different visualizations (charts, maps, timelines) are provided. Clio Infra Project: http://www.clio-infra.eu Global Inequality Visualization: http://www.clio-infra.eu/visualize Show less



Monitorix

• Kyiv, Ukraine

• CEO, co-founder

  • Jun 2008 - Apr 2011

  Lead developer of innovative startup that harvested all public available information from the Web and tools to find interesting topics for users, creator of social media monitoring tools. Managed team of 10 people involved in business workflows. My responsibility in this project: - Development of process flows (ETL) for data inputs into different models (econometric, social media, etc) - Creation of methodology for data processing and checking - Development of digital tools for easy data reporting and verification - Development an media storage system and classification system of model inputs and outputs The company had representatives in EU (LatMonitoring) and used to work with international companies. Show less



Monitorola

• Berlin Area, Germany - Riga, Latvia

• CEO

  • May 2008 - Mar 2011

  Digital agency for online media monitoring and PR activity evaluation on the markets of EU and United States. Digital agency for online media monitoring and PR activity evaluation on the markets of EU and United States.



Metro Mobile Communications

• Developer

  • Jan 2008 - May 2008

  MMC presents premium press clipping and news monitoring services, analysis of events in CIS and World Wide. The innovative technology called Monitorix (TM) harvested information from different chanels (TV, Press, Radio and Internet) into one data stream for comprehensive online and offline monitoring. MMC presents premium press clipping and news monitoring services, analysis of events in CIS and World Wide. The innovative technology called Monitorix (TM) harvested information from different chanels (TV, Press, Radio and Internet) into one data stream for comprehensive online and offline monitoring.



Artsmart

• Telecommunications
• 1 - 100 Employee

• AIMA Team Leader

  • Feb 2006 - Oct 2007

  AIMA (Automated Information Management and Access) is the Artificial Intelligence technology for automated information spidering and filtering from the Web. Our team has invented data mining algorithms to analyze and recognise the content of web pages to find the relevant information according users requirements. AIMA (Automated Information Management and Access) is the Artificial Intelligence technology for automated information spidering and filtering from the Web. Our team has invented data mining algorithms to analyze and recognise the content of web pages to find the relevant information according users requirements.



Adelite.com

• Kyiv, Ukraine

• Search Engines Developer

  • Sep 2002 - Jan 2006

  myWebsearch was the classic search technology with spider, indexer and search engine for query processing. myWebsearch was the classic search technology with spider, indexer and search engine for query processing.



Search Technologies

• United States
• IT Services and IT Consulting
• 1 - 100 Employee

• Developer of news Search Engine “Novoteka”

  • Jan 2003 - May 2005

  Novoteka is russian News Search Engine. I've developed innovative crawling algorithms to extract text of every news by special regular expression templates. http://novoteka.ru Novoteka is russian News Search Engine. I've developed innovative crawling algorithms to extract text of every news by special regular expression templates. http://novoteka.ru



TopPing

• Kyiv, Ukraine

• Search Engine Developer

  • Jan 2001 - Sep 2003

  Developing of search engine of the biggest portal. Developing of search engine of the biggest portal.



R&R Partners

• United States
• Advertising Services
• 300 - 400 Employee

• Smartbot

  • Jun 2002 - Feb 2003

  News clipping project developed for the CIS department of US company R&R Partners (http://www.rrpartners.com). Smartbot crawls major news portals like CNN, BBC and Reuters (about 400 sites) and press-release services to find the information. News clipping project developed for the CIS department of US company R&R Partners (http://www.rrpartners.com). Smartbot crawls major news portals like CNN, BBC and Reuters (about 400 sites) and press-release services to find the information.