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» TREC: Experiment and evaluation in information retrieval
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KDD
2004
ACM
136views Data Mining» more  KDD 2004»
15 years 9 months ago
A cross-collection mixture model for comparative text mining
In this paper, we define and study a novel text mining problem, which we refer to as Comparative Text Mining (CTM). Given a set of comparable text collections, the task of compara...
ChengXiang Zhai, Atulya Velivelli, Bei Yu
167
Voted
SIGMOD
2006
ACM
238views Database» more  SIGMOD 2006»
15 years 9 months ago
Continuous monitoring of top-k queries over sliding windows
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
Kyriakos Mouratidis, Spiridon Bakiras, Dimitris Pa...
CIDR
2009
140views Algorithms» more  CIDR 2009»
14 years 10 months ago
Energy Efficiency: The New Holy Grail of Data Management Systems Research
Energy costs are quickly rising in large-scale data centers and are soon projected to overtake the cost of hardware. As a result, data center operators have recently started turni...
Stavros Harizopoulos, Mehul A. Shah, Justin Meza, ...
SIGMOD
2008
ACM
109views Database» more  SIGMOD 2008»
15 years 9 months ago
Cooperative XPath caching
Motivated by the fact that XML is increasingly being used in distributed applications, we propose building a cooperative caching scheme for XML documents. Our scheme allows sharin...
Kostas Lillis, Evaggelia Pitoura
86
Voted
ANLP
2000
141views more  ANLP 2000»
14 years 10 months ago
Aggressive Morphology for Robust Lexical Coverage
This paper describes an approach to providing lexical information for natural language processing in unrestricted domains. A system of approximately 1200 morphological rules is us...
William A. Woods