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» Query Answering in Peer-to-Peer Data Exchange Systems
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SIGIR
2012
ACM
13 years 8 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...
COCO
2003
Springer
118views Algorithms» more  COCO 2003»
15 years 11 months ago
Lower bounds for predecessor searching in the cell probe model
We consider a fundamental problem in data structures, static predecessor searching: Given a subset S of size n from the universe [m], store S so that queries of the form “What i...
Pranab Sen
CIKM
2007
Springer
16 years 10 days ago
Predictive user click models based on click-through history
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
Benjamin Piwowarski, Hugo Zaragoza
SIGMOD
2003
ACM
124views Database» more  SIGMOD 2003»
16 years 6 months ago
Dynamic XML documents with distribution and replication
The advent of XML as a universal exchange format, and of Web services as a basis for distributed computing, has fostered the apparition of a new class of documents: dynamic XML do...
Serge Abiteboul, Angela Bonifati, Gregory Cobena, ...
HPDC
2010
IEEE
15 years 7 months ago
Mendel: efficiently verifying the lineage of data modified in multiple trust domains
Data is routinely created, disseminated, and processed in distributed systems that span multiple administrative domains. To maintain accountability while the data is transformed b...
Ashish Gehani, Minyoung Kim