[PDF] Top 20 Learning representations for Information Retrieval

... Summary Information retrieval is generally concerned with answering questions such as: is this document relevant to this query? How similar are two queries or two doc- uments? How query and document ... Voir le document complet

... Machine Learning Techniques for Content-based Information Retrieval Thèse de doctorat de l'Université Paris-Saclay et de l'Université Hassan II de Casablanca préparée à Telecom SudParis / ... Voir le document complet

... descriptors for image patches and Thoth team, Inria Grenoble Rhone-Alpes, Laboratoire Jean Kuntzmann, CNRS, ...supervision for training such networks, ranging from fully supervised to ...data for ... Voir le document complet

... multimedia information produced by different services along a conference life ...framework for multimedia information retrieval based on the ontological model HELO and a layered approach ... Voir le document complet

... bound for our algorithm and how S Σ in the bounds can be replaced by the effective size of the state space, which in some cases (like for hierarchical models) can be considerably ...as for UCRL2, by ... Voir le document complet

... queries for focused Information Retrieval ...focused retrieval tasks based on comprehensible language models and interactive query expansion ...query representations: bag-of-words, ... Voir le document complet

... supervised learning from ground-truth segmenta- tions have produced high-quality instance segmentations of real-world images 13 .... For example, approaches based on R-CNN [Girshick et ...as learning ... Voir le document complet

... structural information of entities of ontologies to nd ...structural information here is the re- lationship between entities such as sub-classes, domain, range, restriction property, ...external ... Voir le document complet

... co-occurrence information or contexts on the web (Turney, 2001; Bollegala et ...vector representations of the contexts are also often used in different ways (Turney and Pantel, 2010), but without the usual ... Voir le document complet

... prior information about the signal (such as knowledge of the support set) and often converge to erroneous ...phase retrieval techniques were de- veloped for recovering sparse signals, which are ... Voir le document complet

... vector representations are at the core of all content- based visual search ...image retrieval systems where a query image is used to scan a database for images that are similar to the query in some ... Voir le document complet

... design learning algorithms for the whole class of probability distributions defined by rational tree ...that learning algorithms for rational tree se- ries correspond to learning ... Voir le document complet

... used for experimental ...additional information, exploiting it in the proposed subpath kernel does not degrade the ...fanouts for each node) for each class, see ... Voir le document complet

... the learning can be to associate query characteristics to systems. For example it is possible to represent queries by features, learn which system is best for each training query or query ...which ... Voir le document complet

... clusters for all 10 ...optimal for the Learning to chose ...done for both the metasystem and the ...on for ”medium easy” level, ”easy” level and finally the ”easiest” level on which ... Voir le document complet

... image retrieval experiments using the learned ...occurs for the 3D Shapes ...image retrieval examples using the shared and exclusive represen- tations are shown in Figure 4 ...image retrieval ... Voir le document complet

... scores, for each of the treated queries, using a given system configuration. For evaluation purposes, a run is treated by the trec_eval tool using the query relevance judgement or ...values for each ... Voir le document complet

... matrix for each image which most elements are zero. Most solutions for sparse matrix do not keep the size of all images in database and the new size depends on the values that different to ...Also, ... Voir le document complet

... health information and are widely believed to be useful for biomedical information ...the retrieval performance, while in some others degradations are ...medical information re- trieval ... Voir le document complet

... erences. For this aim, the user preferences are first expressed using concepts represented by ...term). For each variable, the user should specify all of its preferential depen- dencies from which a CP-Net ... Voir le document complet