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» The Constellation Query Language
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134
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ICDT
1999
ACM
133views Database» more  ICDT 1999»
15 years 7 months ago
A Framework for the Investigation of Aggregate Functions in Database Queries
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
Luca Cabibbo, Riccardo Torlone
141
Voted
BDA
2001
15 years 5 months ago
Querying RDF Descriptions for Community Web Portals
Community Web Portals (e.g., digital libraries, vertical aggregators, infomediaries) have become quite popular nowadays in supporting specific communities of interest on corporate...
Gregory Karvounarakis, Vassilis Christophides, Dim...
SIGIR
2010
ACM
15 years 7 months ago
Multilingual PRF: english lends a helping hand
In this paper, we present a novel approach to Pseudo-Relevance Feedback (PRF) called Multilingual PRF (MultiPRF). The key idea is to harness multilinguality. Given a query in a la...
Manoj Kumar Chinnakotla, Karthik Raman, Pushpak Bh...
ICPR
2002
IEEE
16 years 4 months ago
GraphGrep: A Fast and Universal Method for Querying Graphs
GraphGrep is an application-independent method for querying graphs, finding all the occurrences of a subgraph in a database of graphs. The interface to GraphGrep is a regular expr...
Rosalba Giugno, Dennis Shasha
185
Voted
LPAR
2012
Springer
13 years 11 months ago
Querying Proofs
We motivate and introduce a query language PrQL designed for inspecting machine representations of proofs. PrQL natively supports hiproofs which express proof structure using hiera...
David Aspinall, Ewen Denney, Christoph Lüth