The SIGMOD 2010 programming contest a distributed query engine. - Clément Genzmer; Volker Hudlet; Hyunjung Park 001; Daniel Schall 002; Pierre Senellart (SIGMOD Rec., 2010)

Provenance for Generalized Map and Reduce Workflows. - Robert Ikeda; Hyunjung Park 001; Jennifer Widom (CIDR, 2011)

Automatic Workload Driven Index Defragmentation. - Vivek R. Narasayya; Hyunjung Park 001; Manoj Syamala (Proc. VLDB Endow., 2011)

RAMP: A System for Capturing and Tracing Provenance in MapReduce Workflows. - Hyunjung Park 001; Robert Ikeda; Jennifer Widom (Proc. VLDB Endow., 2011)

Deco: declarative crowdsourcing. - Aditya G. Parameswaran; Hyunjung Park 001; Hector Garcia-Molina; Neoklis Polyzotis; Jennifer Widom (CIKM, 2012)

CrowdScreen: algorithms for filtering data with humans. - Aditya G. Parameswaran; Hector Garcia-Molina; Hyunjung Park 001; Neoklis Polyzotis; Aditya Ramesh; Jennifer Widom (SIGMOD Conference, 2012)

Deco: A System for Declarative Crowdsourcing. - Hyunjung Park 001; Richard Pang; Aditya G. Parameswaran; Hector Garcia-Molina; Neoklis Polyzotis; Jennifer Widom (Proc. VLDB Endow., 2012)

An overview of the deco system: data model and query language; query processing and optimization. - Hyunjung Park 001; Richard Pang; Aditya G. Parameswaran; Hector Garcia-Molina; Neoklis Polyzotis; Jennifer Widom (SIGMOD Rec., 2012)

A demonstration of SQLVM: performance isolation in multi-tenant relational database-as-a-service. - Vivek R. Narasayya; Sudipto Das; Manoj Syamala; Surajit Chaudhuri; Feng Li; Hyunjung Park 001 (SIGMOD Conference, 2013)

Query Optimization over Crowdsourced Data. - Hyunjung Park 001; Jennifer Widom (Proc. VLDB Endow., 2013)

CrowdFill: collecting structured data from the crowd. - Hyunjung Park 001; Jennifer Widom (SIGMOD Conference, 2014)

CrowdFill: a system for collecting structured data from the crowd. - Hyunjung Park 001; Jennifer Widom (WWW (Companion Volume), 2014)