搜索结果: 1-13 共查到“计算机科学技术 Information retrieval”相关记录13条 . 查询时间(0.133 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Building private information retrieval schemes over binary fields
二进制字段 私有信息 检索方案
2023/4/20
The private information retrieval (PIR) problem was first proposed by Chor et al. in 1995, and it is a canonical problem in the study of privacy issues that arise from the retrieval of information fro...
第二十三届全国信息检索学术会议(The 23rd China Conference on Information Retrieval, 简称CCIR2017)由中国中文信息学会(CIPS)和中国计算机学会(CCF)联合主办， 由华东理工大学承办，定于2017年7月13日~14日在上海市召开。中国中文信息学会主办的每年一次的“全国信息检索学术会议”(CCIR)系列， 已成功举办过9届，是国内信息检索...
2017第九届知识发现与信息检索国际会议（9th International Conference on Knowledge Discovery and Information Retrieval）
第九届 知识发现与信息检索 国际会议
2017/3/21
Knowledge Discovery is an interdisciplinary area focusing upon methodologies for identifying valid, novel, potentially useful and meaningful patterns from data, often based on underlying large data se...
SEMANTIC CLUSTERING WITH CONTEXT ONTOLOGY FOR INFORMATION RETRIEVAL SYSTEM
indexing context ontology semantic suffix tree clustering (SSTC)
2015/7/10
Nowadays, there are so many increasing amount of information within world-wide web. For these increasing amounts of information, we need efficient and effective index structure when we have to find ne...
Discovering and Using Implicit Data for Information Retrieval
Contextual Translation Implicit Data Information Retrieval Language Model Missing information Relevance Model
2014/12/18
In real-world information retrieval (IR) tasks, the searched items and/or the users' queries often have implicit information associated with them -- information that describes unspecified aspects of t...
Current information retrieval models are optimized for retrieval with short keyword queries. In contrast, in this dissertation we focus on longer, verbose queries with more complex structure that are ...
Exploring Privacy and Personalization in Information Retrieval Applications
information retrieval personalization privacy web search
2014/12/18
A growing number of information retrieval applications rely on search behavior aggregated over many users. If aggregated data such as search query reformulations is not handled properly, it can allow ...
Query-Time Optimization Techniques for Structured Queries in Information Retrieval
algorithms information retrieval optimization search
2014/12/18
The use of information retrieval (IR) systems is evolving towards larger, more complicated queries. Both the IR industrial and research communities have generated significant evidence indicating that ...
Indexing Proximity-based Dependencies for Information Retrieval
Efficiency Evaluation Information Retrieval Systems
2014/12/18
Research into term dependencies for information retrieval has demonstrated that dependency retrieval models are able to consistently improve retrieval effectiveness over bag-of-words models. However, ...
VECTOR SPACE MODEL FOR DOCUMENT REPRESENTATION IN INFORMATION RETRIEVAL
information retrieval Boolean vector space model term weighted vector space model document representation
2010/1/11
this paper presents the basics of information retrieval: the vector space model for document representation with Boolean and term weighted models, ranking methods based on the cosine factor and evalua...
WEB USER PROFILE USING XUL AND INFORMATION RETRIEVAL TECHNIQUES
web user profile Firefox extension term weighted vector space model
2010/1/11
This paper presents the importance of user profile in information retrieval,
information filtering and recommender systems using explicit and implicit feedback. A
Firefox extension (based on XUL) us...
Word Sense Disambiguation in Information Retrieval
disambiguation algorithms natural language processing word sense disambiguation
2009/11/30
The natural language processing has a set of phases that evolves from lexical text analysis to the pragmatic one in which the author’s intentions are shown. The ambiguity problem appears in all of the...
Learning Ranking Functions for Geographic Information Retrieval Using Genetic Programming
Geographic Information Retrieval Ranking Evaluation Genetic Programming Geo graphic metadata
2007/6/2
Geographic Information Retrieval (GIR) has emerged as a new and promising tool for representation, storage, organisation of and access to geographic information. One of the current issues in GIR resea...