1452 search results - page 168 / 291 » The Effectiveness of Query Expansion for Distributed Informa... |
WWW
2009
ACM
14 years 8 months ago
2009
ACM
In a traditional keyword-search system in XML data, a user composes a keyword query, submits it to the system, and retrieves relevant subtrees. In the case where the user has limi...
SIGIR
2008
ACM
13 years 8 months ago
2008
ACM
We study in this paper the problem of bridging the semantic gap between low-level image features and high-level semantic concepts, which is the key hindrance in content-based imag...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...
WWW
2004
ACM
14 years 8 months ago
2004
ACM
In ongoing research, a collaborative peer network application is being proposed to address the scalability limitations of centralized search engines. Here we introduce a local ada...
EXPDB
2006
ACM
14 years 2 months ago
2006
ACM
With the growing popularity of information retrieval (IR) in distributed systems and in particular P2P Web search, a huge number of protocols and prototypes have been introduced i...