Keyphrases
Ridesharing
100%
Social-aware
97%
Top-k Query
63%
Location-based Services
53%
Why-not
47%
Spatial Keyword
47%
Query Processing
39%
Pruning Strategy
34%
Text Similarity
32%
Directional Dependence
31%
Influential Community Search
31%
Efficient Matching
31%
Spatio-textual
31%
Large-scale Social Network
31%
Query Keyword
31%
Group Query
31%
Community Search
26%
Ride-sharing Services
25%
Spatial Distance
25%
Why-questions
24%
Missing Object
24%
Geo-textual Data
23%
Influence Zone
23%
Search Space
23%
Propagation Probability
21%
Popular
20%
Keyword-based
19%
Top-k Spatial Keyword Query
19%
Spatial Index Structure
18%
Social Comfort
18%
Geosocial
18%
Geotag
17%
Distance Similarity
17%
Web Objects
17%
Query Result
17%
Environmental Friendliness
16%
Urban Areas
16%
Bike Stations
15%
Taxi Recommendation
15%
Learned Index
15%
Bike-sharing System
15%
Trip Planning
15%
K-Cover
15%
Similarity Join
15%
Untrusted Cloud Environment
15%
Geo-social Group Query
15%
Keyword Search
15%
Graph Model
15%
Modeling Algorithm
15%
Vehicle Matching
15%
Large Graphs
15%
Price-aware
15%
Geo-textual Object
15%
NP-hard
15%
Query Services
15%
Reducing Uncertainty
15%
Spatial Query
15%
Crowdsourcing
15%
Spatial Processing
15%
Location Search
15%
Free Charge
15%
Data Objects
14%
Spatial Regions
13%
Keyword Set
13%
O-Cost
13%
Optimization Techniques
13%
Reverse Top-k Query
11%
Spatial Search
11%
Top-k Keywords
11%
Location-based Queries
11%
Social Trust
11%
Trust Issues
11%
Novel Index
11%
Z-order
10%
Query Point
10%
Top-k Ranking
10%
R-tree
10%
Data Owner
10%
Spatial Proximity
10%
User-centered Analysis
10%
NP-hard Problem
10%
Maximum Clique Problem
10%
Evolving Social Networks
10%
Influence Path
10%
Search Approach
10%
Pruning
10%
Online Communities
10%
Search Performance
10%
Community Model
10%
Heuristic-based
10%
Service Provider
10%
Index Structure
10%
Text Description
9%
Best Matches
9%
Spatial Keyword Query
9%
Efficient Query
9%
Query Refinement
9%
Refinement Techniques
9%
Shared Taxi
8%
Detour
8%
Social Awareness
8%
Social Distance
8%
Safe Zone
7%
Quality Guarantee
7%
Location Optimization
7%
Query Object
7%
Plan Optimization
7%
User Issues
7%
Query Intent
7%
Descriptive Text
7%
Text Document
7%
Travel Cost
7%
Spatial-temporal Constraints
7%
Exact Algorithm
7%
Heuristic Algorithms
7%
Scoring Function
7%
Text Relevance
7%
Existing Techniques
7%
Browser
7%
Index Traversal
7%
Exact Query
7%
Approximate Results
7%
Practical Usefulness
7%
Effective Algorithm
7%
Index-based
7%
Market Analysis
7%
Voronoi Cell
7%
Ridesharing Problem
7%
Social Relationships
7%
Social Networks
7%
Novel Algorithm
7%
Promising Solutions
7%
Metropolitan Cities
7%
Air Pollution
7%
Graph Network
6%
Location-based Social Networks
6%
Traffic Congestion
5%
Rental Cost
5%
Hybrid Index
5%
Time-dependent Dynamics
5%
Detour Distance
5%
Station Networks
5%
Bike
5%
Detail Design
5%
Computational Cost
5%
Sourcing Models
5%
Grid-based Method
5%
Selecting Candidates
5%
Query Optimization
5%
Spatial Data Processing
5%
Memory Cost
5%
Data Access
5%
System Management
5%
Ordered Models
5%
Space-filling Curve
5%
Staged Learning
5%
Free Ride
5%
Trip Distance
5%
Technique Index
5%
Search Results
5%
Novel Hybrids
5%
Similarity Threshold
5%
Distance Threshold
5%
Spatial Data
5%
Tree Structure
5%
Edge-based Method
5%
Textual Information
5%
Design Techniques
5%
Ordered Space
5%
Crowdsourcing Tasks
5%
System Framework
5%
Route Planning
5%
Data Query
5%
Ranking Queries
5%
Real-life Dataset
5%
Service Region
5%
Shared Services
5%
Cohesion
5%
Random Selection
5%
Dynamic Graph
5%
Synthetic Data
5%
Space Object
5%
Authentication Scheme
5%
Learning Model
5%
Elapsed Time
5%
Limited Budget
5%
Selection Strategy
5%
Brute Force Algorithm
5%
Travel Time
5%
Time-based
5%
Cluster-based
5%
User Groups
5%
Performance Metrics
5%
Database Management Systems
5%
Cloud Service Provider
5%
Refinement Method
5%
Road Network
5%
New York City
5%
Hong Kong
5%
Computer Science
Query Processing
90%
Social Network
78%
Location-Based Service
75%
Speed-up
71%
Experimental Result
67%
Efficient Algorithm
55%
Keyword Search
39%
Index Structure
39%
spatial index
35%
Influential Community
31%
Exact Algorithm
31%
Searching Space
31%
Temporal Constraint
31%
Heuristic Algorithm
31%
Air Pollution
31%
Social Connection
23%
Spatial Proximity
23%
Input/Output
23%
Social Distance
23%
Service Provider
23%
Search Space
18%
Design Technique
15%
Scoring Function
15%
Random Selection
15%
Linear Programming Problem
15%
Party Cloud Service
15%
Join Computation
15%
Distance Threshold
15%
Graphical User Interface
15%
Selection Method
15%
Collaboration and Communication
15%
Future Direction
15%
Communication Network
15%
Network Community
15%
Application Area
15%
Community Detection
15%
Evaluation Result
15%
Social Relation
15%
Optimization Technique
15%
Solution Space
15%
Cloud Service Provider
15%
Sharing System
15%
Baseline Method
15%
Cloud Environment
15%
authentication scheme
15%
Performance Metric
15%
Online Community
10%
Maximal Clique
10%
Query Optimization
7%
Support Application
7%
Target Application
7%
Optimized Solution
7%
Algorithmic Efficiency
7%
Algorithm Correctness
7%
Computational Cost
7%
Spatial Information
7%
Planning Activity
7%
Assignment Problem
7%
Performance Evaluation
7%
Research Agenda
7%
Social Network Data
7%
Textual Information
7%
Social Research
7%
Dynamic Pricing
7%
Social Networking (Online)
7%