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» Self-learning web question answering system
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SIGCSE
2004
ACM
140views Education» more  SIGCSE 2004»
14 years 2 months ago
CFX: finding just the right examples for CS1
Finding just the right example to answer a question can be difficult for CS1 students and teachers. For this to work well there must be an intuitive interface coupled to an approp...
Dale Reed, Sam John, Ryan Aviles, Feihong Hsu
SIGIR
2012
ACM
11 years 11 months ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...
WWW
2004
ACM
14 years 9 months ago
Unsupervised learning of soft patterns for generating definitions from online news
Breaking news often contains timely definitions and descriptions of current terms, organizations and personalities. We utilize such web sources to construct definitions for such t...
Hang Cui, Min-Yen Kan, Tat-Seng Chua
ISDA
2009
IEEE
14 years 3 months ago
A Combined Query Expansion Technique for Retrieving Opinions from Blogs
In this paper, we discuss the the role of the retrieval component in an TREC style opinion question answering system. Since blog retrieval differs from traditional ad-hoc document...
Saeedeh Momtazi, Stefan Kazalski, Dietrich Klakow
SIGMOD
2010
ACM
273views Database» more  SIGMOD 2010»
14 years 1 months ago
Google fusion tables: web-centered data management and collaboration
It has long been observed that database management systems focus on traditional business applications, and that few people use a database management system outside their workplace...
Hector Gonzalez, Alon Y. Halevy, Christian S. Jens...