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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
4103
Venue
SIGMOD
Year
2008
Pagerank
9.5651166e-05
Overall Rank
1,878 | 87.12%
DOI
10.1145/1376616.1376706

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{li_sigmod08,
        title = {{EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data}},
        author = {Li, Guoliang and Ooi, Beng Chin and Feng, Jianhua and Wang, Jianyong and Zhou, Lizhu},
        series = {{SIGMOD} '08},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/1376616.1376706},
        url = {https://dl.acm.org/doi/10.1145/1376616.1376706},
        year = {2008}
}

Incoming Citations (Sorted by Pagerank)

Showing 20 of 20 citing papers.

Rank Citing Paper Year Venue Pagerank
1,239 Attribute-Driven Community Search 2017 VLDB 0.000115381
1,262 Discovering Queries based on Example Tuples 2014 SIGMOD 0.00011427456
2,379 Structured Search Result Differentiation 2009 VLDB 8.666326e-05
2,631 FastQRE: Fast Query Reverse Engineering 2018 SIGMOD 8.3231158e-05
3,239 Keyword Search on Structured and Semi-Structured Data 2009 SIGMOD 7.6078324e-05
4,048 Efficient Type-Ahead Search on Relational Data: a TASTIER Approach 2009 SIGMOD 6.9372074e-05
4,372 Schemaless and Structureless Graph Querying 2014 VLDB 6.7384384e-05
4,703 Finding Patterns in a Knowledge Base using Keywords to Compose Table Answers 2014 VLDB 6.5549049e-05
5,849 Summarizing Answer Graphs Induced by Keyword Queries 2013 VLDB 6.0666529e-05
6,862 DBease: Making Databases User-friendly and Easily Accessible 2011 CIDR 5.7514733e-05
7,006 Topic-based Community Search over Spatial-Social Networks 2020 VLDB 5.726836e-05
8,180 ConnectionLens: Finding Connections Across Heterogeneous Data Sources 2018 VLDB 5.4724852e-05
8,920 Full-Power Graph Querying: State of the Art and Challenges 2023 VLDB 5.3483178e-05
8,936 Toward Scalable Keyword Search over Relational Data 2010 VLDB 5.3483178e-05
11,185 Temporal JSON Keyword Search 2024 SIGMOD 5.093636e-05
11,463 Approximating Probabilistic Group Steiner Trees in Graphs 2023 VLDB 5.093636e-05
11,691 Finding Group Steiner Trees in Graphs with both Vertex and Edge Weights 2021 VLDB 5.093636e-05
12,287 Probabilistic Query Rewriting for Efficient and Effective Keyword Search on Graph Data 2013 VLDB 5.093636e-05
12,366 Schema-As-You-Go: On Probabilistic Tagging and Querying of Wide Tables 2011 SIGMOD 5.093636e-05
12,461 Ten Thousand SQLs: Parallel Keyword Queries Computing 2010 VLDB 5.093636e-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
37 DISCOVER: Keyword Search in Relational Databases 2002 VLDB 0.00048017193
77 XRANK: Ranked Keyword Search over XML Documents 2003 SIGMOD 0.00037048607
170 Combining Fuzzy Information from Multiple Systems 1996 PODS 0.00027376361
212 Efficient IR-Style Keyword Search over Relational Databases 2003 VLDB 0.000247733
272 BLINKS: Ranked Keyword Searches on Graphs 2007 SIGMOD 0.00022695855
302 Bidirectional Expansion For Keyword Search on Graph Databases 2005 VLDB 0.00021963347
399 XSEarch: A Semantic Search Engine for XML 2003 VLDB 0.00019177959
402 Fuzzy Queries in Multimedia Database Systems 1998 PODS 0.00019072958
748 Effective Keyword Search in Relational Databases 2006 SIGMOD 0.00014381224
795 Efficient Keyword Search for Smallest LCAs in XML Databases 2005 SIGMOD 0.00013939786
930 SPARK: Top-k Keyword Query in Relational Databases 2007 SIGMOD 0.0001312728
2,220 Identifying Meaningful Return Information for XML Keyword Search 2007 SIGMOD 8.9277765e-05
2,359 Integrating DB and IR Technologies: What is the Sound of One Hand Clapping? * 2005 CIDR 8.698016e-05
2,405 DBLife: A Community Information Management Platform for the Database Research Community 2007 CIDR 8.6217909e-05
2,609 The SphereSearch Engine for Unified Ranked Retrieval of Heterogeneous XML and Web Documents 2005 VLDB 8.3476234e-05
3,209 An Efficient and Versatile Query Engine for TopX Search 2005 VLDB 7.6357297e-05
4,147 Trio-One: Layering Uncertainty and Lineage on a Conventional DBMS 2007 CIDR 6.8720637e-05
4,378 Keyword Search on Relational Data Streams 2007 SIGMOD 6.7356271e-05
5,732 Effective Keyword-based Selection of Relational Databases 2007 SIGMOD 6.1064568e-05
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