Monitoring Path Nearest Neighbor in Road Networks

Summary: Defines k-Path Nearest Neighbor (k-PNN) for a moving user: k candidates tied to the shortest path between current location and destination. Proposes Best-first Network Expansion (BNE), a three-phase (search/verify/monitor) method with an expansion tree to efficiently update shortest paths and k-PNN as routes move. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 4150
Venue: SIGMOD
Year: 2009
Pagerank: 0.00011428609
Overall Rank: 1,545 | 89.27%
DOI: -

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 8 of 8 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
498	Large Scale Real-time Ridesharing with Service Guarantee on Road Networks	2014	VLDB	0.0002165768
946	Path Oracles for Spatial Networks	2009	VLDB	0.00015117675
1,806	Incremental Graph Pattern Matching	2011	SIGMOD	0.00010478244
4,091	RisGraph: A Real-Time Streaming System for Evolving Graphs to Support Sub-millisecond Per-update Analysis at Millions Ops/s	2021	SIGMOD	6.4529617e-05
6,436	Efficient Exact Subgraph Matching via GNN-based Path Dominance Embedding	2024	VLDB	5.0554554e-05
8,956	Efficient Algorithms for Finding Optimal Meeting Point on Road Networks	2011	VLDB	4.4188719e-05
10,062	Continuous Subgraph Matching via Cost-Model-based Dynamic Vertex Dominance Embeddings	2026	SIGMOD	4.1905499e-05
12,336	MOIR/MT: Monitoring Large-Scale Road Network Traffic in Real-Time	2009	VLDB	4.1905499e-05

Outgoing Citations (Sorted by Pagerank)

Showing 10 of 10 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank
48	Nearest Neighbor Queries	1995	SIGMOD	0.0006954126
391	Query Processing in Spatial Network Databases	2003	VLDB	0.00024560891
434	Scalable Network Distance Browsing in Spatial Databases	2008	SIGMOD	0.00023277433
597	Voronoi-Based K Nearest Neighbor Search for Spatial Network Databases	2004	VLDB	0.00019450818
985	An Efficient and Scalable Approach to CNN Queries in a Road Network	2005	VLDB	0.00014834799
1,272	Continuous Nearest Neighbor Search	2002	VLDB	0.00012871443
1,580	Continuous Nearest Neighbor Monitoring in Road Networks	2006	VLDB	0.00011272266
1,769	Closest Pair Queries in Spatial Databases	2000	SIGMOD	0.00010608375
2,342	Conceptual Partitioning: An Efficient Method for Continuous Nearest Neighbor Monitoring	2005	SIGMOD	9.0005088e-05
4,896	The V*-Diagram: A Query-Dependent Approach to Moving KNN Queries	2008	VLDB	5.8467149e-05

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