YASK: A Why-Not Question Answering Engine for Spatial Keyword Query Services
Summary: YASK is a why-not question answering engine for spatial keyword query (SKQ) services, addressing missing top-k results. It delivers explanations via two models—preference adjustment and keyword adaptation—and proposes refined queries to revive missing objects, via a map-based GUI. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
No non-self incoming citations found for this paper in this database.
Authors
- 1. Lei Chen
- 2. Jianliang Xu
- 3. Christian S. Jensen
- 4. Yafei Li
Incoming Citations (Sorted by Pagerank)
Showing 0 of 0 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|
Previous
Page 1 / 1
Next
Outgoing Citations (Sorted by Pagerank)
Showing 3 of 3 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 487 | Why Not? | 2009 | SIGMOD | 0.00022030123 |
| 2,020 | Efficient Retrieval of the Top-k Most Relevant Spatial Web Objects | 2009 | VLDB | 9.7766925e-05 |
| 3,100 | Answering Why-not Questions on Reverse Top-k Queries | 2015 | VLDB | 7.5625111e-05 |
Previous
Page 1 / 1
Next
Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 3,100 | Answering Why-not Questions on Reverse Top-k Queries | 2015 | VLDB | 7.5625111e-05 |
| 9,874 | A Universal Question-Answering Platform for Knowledge Graphs | 2023 | SIGMOD | 4.2626861e-05 |
| 11,241 | TASK: An Efficient Framework for Instant Error-tolerant Spatial Keyword Queries on Road Networks | 2023 | VLDB | 4.1905499e-05 |
| 13,481 | Data Management on the Spatial Web | 2012 | VLDB | - |
| 9,897 | Top-k Relevant Semantic Place Retrieval on Spatial RDF Data | 2016 | SIGMOD | 4.2559233e-05 |
| 7,290 | Searching with XQ: the eXemplar Query Search Engine | 2014 | SIGMOD | 4.768315e-05 |
| 3,967 | SLQ: A User-friendly Graph Querying System | 2014 | SIGMOD | 6.5781961e-05 |
| 6,360 | DISKs: A System for Distributed Spatial Group Keyword Search on Road Networks | 2012 | VLDB | 5.0909523e-05 |
| 13,485 | SWORS: A System for the Efficient Retrieval of Relevant Spatial Web Objects | 2012 | VLDB | - |
| 8,636 | WISK: A Workload-aware Learned Index for Spatial Keyword Queries | 2023 | SIGMOD | 4.4758336e-05 |