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VLDB
2007
ACM
104views Database» more  VLDB 2007»
14 years 9 months ago
Unifying Data and Domain Knowledge Using Virtual Views
The database community is on a constant quest for better integration of data management and knowledge management. Recently, with the increasing use of ontology in various applicat...
Lipyeow Lim, Haixun Wang, Min Wang
VLDB
2007
ACM
153views Database» more  VLDB 2007»
14 years 9 months ago
Declarative Information Extraction Using Datalog with Embedded Extraction Predicates
In this paper we argue that developing information extraction (IE) programs using Datalog with embedded procedural extraction predicates is a good way to proceed. First, compared ...
Warren Shen, AnHai Doan, Jeffrey F. Naughton, Ragh...
SIGMOD
2007
ACM
232views Database» more  SIGMOD 2007»
14 years 9 months ago
BLINKS: ranked keyword searches on graphs
Query processing over graph-structured data is enjoying a growing number of applications. Keyword search on a graph finds a set of answers, each of which is a substructure of the ...
Haixun Wang, Hao He, Jun Yang 0001, Philip S. Yu
SIGMOD
2007
ACM
181views Database» more  SIGMOD 2007»
14 years 9 months ago
Progressive and selective merge: computing top-k with ad-hoc ranking functions
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
Dong Xin, Jiawei Han, Kevin Chen-Chuan Chang
SIGMOD
2007
ACM
105views Database» more  SIGMOD 2007»
14 years 9 months ago
Supporting entity search: a large-scale prototype search engine
As the Web has evolved into a data-rich repository, with the standard "page view," current search engines are increasingly inadequate. While we often search for various ...
Tao Cheng, Xifeng Yan, Kevin Chen-Chuan Chang