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ICDM
2003
IEEE
115views Data Mining» more  ICDM 2003»
13 years 10 months ago
On Precision and Recall of Multi-Attribute Data Extraction from Semistructured Sources
Machine learning techniques for data extraction from semistructured sources exhibit different precision and recall characteristics. However to date the formal relationship between...
Guizhen Yang, Saikat Mukherjee, I. V. Ramakrishnan
CAISE
2005
Springer
13 years 11 months ago
Estimating Recall and Precision for Vague Queries in Databases
In vague queries, a user enters a value that represents some real world object and expects as the result the set of database values that represent this real world object even with ...
Raquel Kolitski Stasiu, Carlos A. Heuser, Roberto ...
PODS
2010
ACM
250views Database» more  PODS 2010»
13 years 10 months ago
From information to knowledge: harvesting entities and relationships from web sources
There are major trends to advance the functionality of search engines to a more expressive semantic level. This is enabled by the advent of knowledge-sharing communities such as W...
Gerhard Weikum, Martin Theobald
DGO
2008
170views Education» more  DGO 2008»
13 years 6 months ago
Natural language processing and e-Government: crime information extraction from heterogeneous data sources
Much information that could help solve and prevent crimes is never gathered because the reporting methods available to citizens and law enforcement personnel are not optimal. Dete...
Chih Hao Ku, Alicia Iriberri, Gondy Leroy
ICDM
2008
IEEE
186views Data Mining» more  ICDM 2008»
13 years 11 months ago
xCrawl: A High-Recall Crawling Method for Web Mining
Web Mining Systems exploit the redundancy of data published on the Web to automatically extract information from existing web documents. The first step in the Information Extract...
Kostyantyn M. Shchekotykhin, Dietmar Jannach, Gerh...