An Effective and Versatile Keyword Search Engine on Heterogenous Data Sources
Summary: EASE enables keyword search over heterogeneous data without requiring XPath/XQuery or SQL. Models data as graphs, builds compact graph indices, and uses an extended inverted index with a novel ranking for efficient, adaptive keyword retrieval. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Guoliang Li (Tsinghua University)
- 2. Jianhua Feng (Tsinghua University)
- 3. Jianyong Wang (Tsinghua University)
- 4. Lizhu Zhou (Tsinghua University)
BibTeX Citation
@article{li_vldb08,
title = {{An Effective and Versatile Keyword Search Engine on Heterogenous Data Sources}},
author = {Li, Guoliang and Feng, Jianhua and Wang, Jianyong and Zhou, Lizhu},
journal = {PVLDB},
series = {{VLDB} '08},
volume = {1},
number = {1},
pages = {1452--1463},
doi = {10.14778/1454159.1454324},
url = {https://doi.org/10.14778/1454159.1454324},
year = {2008}
}Incoming Citations (Sorted by Pagerank)
Showing 1 of 1 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 3,312 | Keyword Search on Structured and Semi-Structured Data | 2009 | SIGMOD | 7.4385614e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 4 of 4 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 81 | XRANK: Ranked Keyword Search over XML Documents | 2003 | SIGMOD | 0.00036346781 |
| 217 | Efficient IR-Style Keyword Search over Relational Databases | 2003 | VLDB | 0.00024465994 |
| 270 | BLINKS: Ranked Keyword Searches on Graphs | 2007 | SIGMOD | 0.00022599109 |
| 825 | Efficient Keyword Search for Smallest LCAs in XML Databases | 2005 | SIGMOD | 0.00013643331 |
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Semantically Similar Papers
| # | Overall Rank | Paper | Year | Venue |
|---|---|---|---|---|
| 1 | 410 | XSEarch: A Semantic Search Engine for XML | 2003 | VLDB |
| 2 | 217 | Efficient IR-Style Keyword Search over Relational Databases | 2003 | VLDB |
| 3 | 4,407 | XSeek: A Semantic XML Search Engine Using Keywords | 2007 | VLDB |
| 4 | 5,845 | Effective Keyword-based Selection of Relational Databases | 2007 | SIGMOD |
| 5 | 5,220 | Indexing Dataspaces | 2007 | SIGMOD |
| 6 | 3,312 | Keyword Search on Structured and Semi-Structured Data | 2009 | SIGMOD |
| 7 | 2,643 | The SphereSearch Engine for Unified Ranked Retrieval of Heterogeneous XML and Web Documents | 2005 | VLDB |
| 8 | 2,880 | Expressive and Flexible Access to Web-Extracted Data: A Keyword-based Structured Query Language | 2010 | SIGMOD |
| 9 | 6,980 | DBease: Making Databases User-friendly and Easily Accessible | 2011 | CIDR |
| 10 | 1,906 | EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data | 2008 | SIGMOD |