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EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data

Summary: Proposes EASE, a 3-in-1 keyword search for unstructured, semi-structured, and structured data. It models data as graphs, builds graph indices, and uses an extended inverted index with a novel ranking to deliver fast, accurate queries, outperforming prior work. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
4042
Venue
SIGMOD
Year
2008
Pagerank
9.4806381e-05
Overall Rank
2,127 | 85.22%
DOI
-

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 20 of 20 citing papers.

Rank Citing Paper Year Venue Pagerank
1,502 Discovering Queries based on Example Tuples 2014 SIGMOD 0.00011614522
1,645 Attribute-Driven Community Search 2017 VLDB 0.00011027616
1,664 Structured Search Result Differentiation 2009 VLDB 0.0001096091
2,990 FastQRE: Fast Query Reverse Engineering 2018 SIGMOD 7.7727915e-05
3,330 Schemaless and Structureless Graph Querying 2014 VLDB 7.2116683e-05
3,456 Keyword Search on Structured and Semi-Structured Data 2009 SIGMOD 7.0756309e-05
4,410 Efficient Type-Ahead Search on Relational Data: a TASTIER Approach 2009 SIGMOD 6.2012075e-05
4,838 Finding Patterns in a Knowledge Base using Keywords to Compose Table Answers 2014 VLDB 5.883146e-05
6,208 Summarizing Answer Graphs Induced by Keyword Queries 2013 VLDB 5.1511024e-05
6,854 DBease: Making Databases User-friendly and Easily Accessible 2011 CIDR 4.901546e-05
7,287 Topic-based Community Search over Spatial-Social Networks 2020 VLDB 4.7697047e-05
7,859 ConnectionLens: Finding Connections Across Heterogeneous Data Sources 2018 VLDB 4.6298049e-05
8,746 Full-Power Graph Querying: State of the Art and Challenges 2023 VLDB 4.4520434e-05
8,763 Toward Scalable Keyword Search over Relational Data 2010 VLDB 4.4520434e-05
10,975 Temporal JSON Keyword Search 2024 SIGMOD 4.1905499e-05
11,266 Approximating Probabilistic Group Steiner Trees in Graphs 2023 VLDB 4.1905499e-05
11,497 Finding Group Steiner Trees in Graphs with both Vertex and Edge Weights 2021 VLDB 4.1905499e-05
12,098 Probabilistic Query Rewriting for Efficient and Effective Keyword Search on Graph Data 2013 VLDB 4.1905499e-05
12,178 Schema-As-You-Go: On Probabilistic Tagging and Querying of Wide Tables 2011 SIGMOD 4.1905499e-05
12,274 Ten Thousand SQLs: Parallel Keyword Queries Computing 2010 VLDB 4.1905499e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 19 of 19 cited papers.

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

Rank Cited Paper Year Venue Pagerank
53 DISCOVER: Keyword Search in Relational Databases 2002 VLDB 0.00065993143
72 Combining Fuzzy Information from Multiple Systems 1996 PODS 0.00058498396
73 XRANK: Ranked Keyword Search over XML Documents 2003 SIGMOD 0.0005840064
171 Fuzzy Queries in Multimedia Database Systems 1998 PODS 0.00038843975
278 Efficient IR-Style Keyword Search over Relational Databases 2003 VLDB 0.00029322862
302 BLINKS: Ranked Keyword Searches on Graphs 2007 SIGMOD 0.00028343691
337 Bidirectional Expansion For Keyword Search on Graph Databases 2005 VLDB 0.00027002505
436 XSEarch: A Semantic Search Engine for XML 2003 VLDB 0.00023264416
873 Effective Keyword Search in Relational Databases 2006 SIGMOD 0.0001570125
989 Efficient Keyword Search for Smallest LCAs in XML Databases 2005 SIGMOD 0.00014805498
1,202 SPARK: Top-k Keyword Query in Relational Databases 2007 SIGMOD 0.0001333126
1,840 Identifying Meaningful Return Information for XML Keyword Search 2007 SIGMOD 0.00010350281
2,071 DBLife: A Community Information Management Platform for the Database Research Community 2007 CIDR 9.6311384e-05
2,229 The SphereSearch Engine for Unified Ranked Retrieval of Heterogeneous XML and Web Documents 2005 VLDB 9.2422485e-05
2,604 Integrating DB and IR Technologies: What is the Sound of One Hand Clapping? * 2005 CIDR 8.4628537e-05
3,046 An Efficient and Versatile Query Engine for TopX Search 2005 VLDB 7.6586679e-05
4,163 Trio-One: Layering Uncertainty and Lineage on a Conventional DBMS 2007 CIDR 6.3861705e-05
4,593 Keyword Search on Relational Data Streams 2007 SIGMOD 6.0559961e-05
5,683 Effective Keyword-based Selection of Relational Databases 2007 SIGMOD 5.3733855e-05
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12,098 Probabilistic Query Rewriting for Efficient and Effective Keyword Search on Graph Data 2013 VLDB 4.1905499e-05
6,208 Summarizing Answer Graphs Induced by Keyword Queries 2013 VLDB 5.1511024e-05
278 Efficient IR-Style Keyword Search over Relational Databases 2003 VLDB 0.00029322862
2,190 Keyword Search on External Memory Data Graphs 2008 VLDB 9.3356692e-05
2,324 Expressive and Flexible Access to Web-Extracted Data: A Keyword-based Structured Query Language 2010 SIGMOD 9.0289103e-05
1,453 Keyword Proximity Search in Complex Data Graphs 2008 SIGMOD 0.00011921738
5,391 Indexing Dataspaces 2007 SIGMOD 5.5330974e-05
9,327 Indexing for Keyword Search with Structured Constraints 2023 PODS 4.351469e-05
3,456 Keyword Search on Structured and Semi-Structured Data 2009 SIGMOD 7.0756309e-05
9,590 An Effective and Versatile Keyword Search Engine on Heterogenous Data Sources 2008 VLDB 4.3167828e-05