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SIGMOD
2007
ACM
413views Database» more  SIGMOD 2007»
15 years 10 months ago
Effective keyword-based selection of relational databases
The wide popularity of free-and-easy keyword based searches over World Wide Web has fueled the demand for incorporating keyword-based search over structured databases. However, mo...
Bei Yu, Guoliang Li, Karen R. Sollins, Anthony K. ...
CIKM
2007
Springer
15 years 3 months ago
Effective top-k computation in retrieving structured documents with term-proximity support
Modern web search engines are expected to return top-k results efficiently given a query. Although many dynamic index pruning strategies have been proposed for efficient top-k com...
Mingjie Zhu, Shuming Shi, Mingjing Li, Ji-Rong Wen
MM
2003
ACM
160views Multimedia» more  MM 2003»
15 years 3 months ago
VideoQA: question answering on news video
When querying a news video archive, the users are interested in retrieving precise answers in the form of a summary that best answers the query. However, current video retrieval s...
Hui Yang, Lekha Chaisorn, Yunlong Zhao, Shi-Yong N...
CIKM
2004
Springer
15 years 3 months ago
Node ranking in labeled directed graphs
Our work is motivated by the problem of ranking hyperlinked documents for a given query. Given an arbitrary directed graph with edge and node labels, we present a new flow-based ...
Krishna Prasad Chitrapura, Srinivas R. Kashyap
ICCS
2009
Springer
15 years 4 months ago
Distinguishing Answers in Conceptual Graph Knowledge Bases
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...
Nicolas Moreau, Michel Leclère, Madalina Cr...