Keyphrases
Tree-structured Data
96%
Data Warehouse
91%
Materialized Views
85%
Tree Pattern Queries
79%
Keyword Search
61%
Keyword Query
57%
Data Graph
43%
XML Data
39%
Tree Patterns
36%
Pattern Graph
34%
Query Language
34%
Query Evaluation
33%
Partial Tree
33%
Data Warehouse Design
32%
Tree Structure
31%
Data Warehouse Evolution
27%
Homomorphic
27%
Efficient Evaluation
27%
Bitmap
26%
Large Trees
26%
Search Space
25%
Embedded Element Pattern
24%
View Selection Problem
24%
Popular
23%
Viewpoint Selection
22%
XML Stream
21%
Containment
21%
Query Result
21%
Homomorphism
20%
View Materialization
18%
View Maintenance
17%
Stack-based
17%
Pattern Mining
17%
XML Query
16%
Graph Pattern Queries
16%
Generalized Tree
16%
Maintenance Cost
15%
Online Analytical Processing
14%
Order of Magnitude
14%
Path Pattern Query
14%
Web of Data
13%
XPath
12%
Structural Information
12%
Partial Paths
12%
Path Query
12%
RDF Graph
12%
Embedded Trees
12%
Query Containment
12%
Existing Algorithms
12%
Structural Summary
12%
Computer Science
Materialized View
100%
Data Warehouse
96%
Query Language
80%
Keyword Search
78%
Data Tree
62%
Structured Data
52%
Data Source
40%
Pattern Matching
34%
Data Warehouse Design
33%
Search Space
32%
Problem Selection
29%
Experimental Result
28%
Linked Data
27%
Query Processing
26%
Sufficient Condition
25%
Pattern Mining
23%
Evaluation Models
21%
Synthetic Datasets
21%
Partial Specification
20%
Multiple Data Source
19%
XQuery
18%
Query Containment
18%
Large Data Set
17%
Online Analytical Processing
16%
Polynomial Time
15%
Heuristic Algorithm
14%
Directed Acyclic Graph
14%
Spanning Tree
13%
Memory Consumption
13%
Optimization Technique
13%
Response Time
12%
Common Ancestor
12%
Evaluation Plan
12%
Information Source
12%
Candidate View
11%
Keyword Pattern
10%
Source Codes
10%
Semantic Integration
10%
Database Management System
10%
Data Model
9%
Inference Rule
9%
Source Relation
9%
Optimization Problem
8%
Web Application
8%
Semantic Modeling
8%
Multiple Inheritance
8%
Pattern Search
8%
Time Consumption
8%
Structured Query
8%
Heterogeneous Data
7%