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GIS
2009
ACM
16 years 7 months ago
Web 2.0 Geospatial Visual Analytics for Improved Urban Flooding Situational Awareness and Assessment
Situational awareness of urban flooding during storm events is important for disaster and emergency management. However, no general purpose tools yet exist for rendering rainfall ...
Alejandro Rodríguez, David Hill, Jim Myers,...
WWW
2009
ACM
16 years 7 months ago
Answering approximate queries over autonomous web databases
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
Xiangfu Meng, Z. M. Ma, Li Yan
WWW
2008
ACM
16 years 7 months ago
Query-sets: using implicit feedback and query patterns to organize web documents
In this paper we present a new document representation model based on implicit user feedback obtained from search engine queries. The main objective of this model is to achieve be...
Barbara Poblete, Ricardo A. Baeza-Yates
SIGMOD
2004
ACM
142views Database» more  SIGMOD 2004»
16 years 6 months ago
Understanding Web Query Interfaces: Best-Effort Parsing with Hidden Syntax
Recently, the Web has been rapidly "deepened" by many searchable databases online, where data are hidden behind query forms. For modelling and integrating Web databases,...
Zhen Zhang, Bin He, Kevin Chen-Chuan Chang
WSDM
2010
ACM
194views Data Mining» more  WSDM 2010»
16 years 4 months ago
Ranking with Query-Dependent Loss for Web Search
Queries describe the users' search intent and therefore they play an essential role in the context of ranking for information retrieval and Web search. However, most of exist...
Jiang Bian, Tie-Yan Liu, Tao Qin, Hongyuan Zha