Instruct: Given a paper title, retrieve paper titles that are cited by the given paper.
Query: GeoCrowd: enabling query answering with spatial crowdsourcing
CrowdDB: answering queries with crowdsourcing
Coverage and workload cost balancing in spatial crowdsourcing
Crowdsourcing geographic information for disaster response: a research frontier
Collective spatial keyword queries: a distance owner-driven approach
GeoSQL: A Sketch-Based Query Language for Geographical Data.
Protecting Location Privacy in Spatial Crowdsourcing using Encrypted Data.
Web data retrieval: solving spatial range queries using k-nearest neighbor searches
Crowdsourcing for multiple-choice question answering
Context-aware mobile crowdsourcing
A demonstration of GeoSpark: A cluster computing framework for processing big spatial data
An Explorative Approach for Crowdsourcing Tasks Design
Crowdsourced POI labelling: Location-aware result inference and Task Assignment
Distributed Spatial Keyword Querying on Road Networks
Online mobile Micro-Task Allocation in spatial crowdsourcing
Spatial Crowdsourcing: Challenges and Opportunities
Evaluating different query reformulation techniques for the Geographical Information Retrieval task considering geospatial entities as textual terms
Distance browsing in spatial databases
A Survey of General-Purpose Crowdsourcing Techniques
A Survey of Crowdsourcing Systems
Privacy-friendly spatial crowdsourcing in vehicular networks
Parallel Cat Swarm Optimization
Crowdsourcing user studies with Mechanical Turk
Stacked S-band Slotted Waveguide Array Antenna with very low sidelobes
Perforator-sparing transposition flaps for lower limb defects: anatomic study and clinical application.
Comparing citation contexts for information retrieval