نتایج جستجو برای: text retrieval
تعداد نتایج: 238516 فیلتر نتایج به سال:
Pretrained multilingual text encoders based on neural Transformer architectures, such as BERT (mBERT) and XLM, have achieved strong performance a myriad of language understanding tasks. Consequently, they been adopted go-to paradigm for cross-lingual representation learning transfer, rendering word embeddings (CLWEs) effectively obsolete. However, questions remain to which extent this finding g...
An important research issue with multimedia databases is the formulation of queries to the database. Here the search for structured multimedia documents or relevant parts of it gains more and more significance. Unfortunately text retrieval on its own is not sufficient for the realization of capable search services in this respect. Therefore, an efficient combination of automatic text retrieval,...
This paper presents the approaches used by the MIRACLE team to image retrieval at ImageCLEF 2005. Text-based and content-based techniques have been tested, along with combination of both types of methods to improve image retrieval. The text-based experiments defined this year try to use semantic information sources, like thesaurus with semantic data or text structure. On the other hand, content...
This paper describes the participation of the MIRACLE team at the ImageCLEF Photographic Retrieval task of CLEF 2008. We succeeded in submitting 41 runs. Obtained results from text-based retrieval are better than content-based as previous experiments in the MIRACLE team campaigns [5, 6] using different software. Our main aim was to experiment with several merging approaches to fuse text-based r...
Fast and accurate techniques for searching large genomic text collections are becoming increasingly important. While Information Retrieval is well-established for general-purpose text retrieval tasks, less is known about retrieval techniques for genomic text data. In this paper, we investigate and propose general-purpose search techniques for genomic text. In particular, we show that significan...
Although known item searching for music can be dealt with by searching metadata using existing text search techniques, human subjectivity and variability within the music itself make it very difficult to search for unknown items. This paper examines these problems within the context of text retrieval and music information retrieval. The focus is on ascertaining a relationship between music rele...
This article describes the participation of the University and Hospitals of Geneva at three tasks of the 2007 ImageCLEF image retrieval benchmark. The visual retrieval techniques relied mainly on the GNU Image Finding Tool (GIFT) whereas multilingual text retrieval was performed by mapping the full text documents and the queries in a variety of languages onto MeSH (Medical Subject Headings) ter...
Combining low-level features that represent the content of medical images with high level features that are saved with images would allow the expansion of text queries submitted to Content Based Image Retrieval (CBIR) systems. Expanding these text queries would allow CBIR systems to respond more effectively to specific queries when retrieving medical images. We hypothesized that adding an autom...
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