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1. 发明授权

US6102969A Method and system using information written in a wrapper description language to execute query on a network 有权
公开(公告)号：US6102969A
公开(公告)日：2000-08-15
申请号：US310899
申请日：1999-05-12
申请人： David Christianson , Robert B. Doorenbos , Oren Etzioni , Chung Kwok , Gregory Lauckhart , Erik Selberg , Daniel S. Weld
发明人： David Christianson , Robert B. Doorenbos , Oren Etzioni , Chung Kwok , Gregory Lauckhart , Erik Selberg , Daniel S. Weld
IPC分类号： G06F13/00 , G06F17/30 , H04L29/06 , H04L29/08
CPC分类号： G06F17/30864 , H04L29/06 , H04L67/02 , H04L67/2814 , H04L67/2819 , H04L67/2823 , H04L69/329 , H04L67/16 , Y10S707/99932 , Y10S707/99933 , Y10S707/99935 , Y10S707/99944
摘要： This invention provides assistance to a user in accessing network attached information sources. In one aspect, the invention is a method for intelligently routing a user query to information sources relevant to that query, extracting relevant data fields from received responses, and intelligently presenting the extracted data in order of estimated relevance. The system of this invention implements one or more steps of the method in a centralized or distributed manner on one or more network attached computers. Further, this invention provides a novel language and implementation that facilitates easily written and maintained descriptions of information source query and response formats.

2. 发明授权

US6085186A Method and system using information written in a wrapper description language to execute query on a network 失效
标题翻译：方法和系统使用以包装器描述语言编写的信息，以在网络上执行查询
公开(公告)号：US6085186A
公开(公告)日：2000-07-04
申请号：US933782
申请日：1997-09-19
申请人： David Christianson , Robert B. Doorenbos , Oren Etzioni , Chung Kwok , Gregory Lauckhart , Erik Selberg , Daniel S. Weld
发明人： David Christianson , Robert B. Doorenbos , Oren Etzioni , Chung Kwok , Gregory Lauckhart , Erik Selberg , Daniel S. Weld
IPC分类号： G06F13/00 , G06F17/30 , H04L29/06 , H04L29/08
CPC分类号： G06F17/30864 , H04L29/06 , H04L67/02 , H04L67/2814 , H04L67/2819 , H04L67/2823 , H04L69/329 , H04L67/16 , Y10S707/99932 , Y10S707/99933 , Y10S707/99935 , Y10S707/99944
摘要： This invention provides assistance to a user in accessing network attached information sources. In one aspect, the invention is a method for intelligently routing a user query to information sources relevant to that query, extracting relevant data fields from received responses, and intelligently presenting the extracted data in order of estimated relevance. The system of this invention implements one or more steps of the method in a centralized or distributed manner on one or more network attached computers. Further, this invention provides a novel language and implementation that facilitates easily written and maintained descriptions of information source query and response formats.
摘要翻译：本发明提供对用户访问网络附加信息源的帮助。一方面，本发明是用于将用户查询智能地路由到与该查询相关的信息源的方法，从接收的响应中提取相关数据字段，并且以估计的相关性的顺序智能地呈现所提取的数据。本发明的系统在一个或多个网络连接的计算机上以集中或分布的方式实现该方法的一个或多个步骤。此外，本发明提供了一种新颖的语言和实现，其便于容易地编写和维护信息源查询和响应格式的描述。

3. 发明授权

US06304870B1 Method and apparatus of automatically generating a procedure for extracting information from textual information sources 失效
标题翻译：自动生成从文本信息源提取信息的过程的方法和装置
公开(公告)号：US06304870B1
公开(公告)日：2001-10-16
申请号：US08982857
申请日：1997-12-02
申请人： Nicholas Kushmerick , Daniel S. Weld , Robert B. Doorenbos
发明人： Nicholas Kushmerick , Daniel S. Weld , Robert B. Doorenbos
IPC分类号： G06F1730
CPC分类号： G06F17/30864 , Y10S707/99933 , Y10S707/99934 , Y10S707/99936 , Y10S707/99945
摘要： A procedure is disclosed for automatically constructing wrappers for performing information-extraction from sites such as Internet resources that display relevant information, interspersed with extraneous text fragments, such as HTML formatting commands or advertisements. The procedure has three basic steps. First, a set of example pages are collected with a subroutine named GatherExamples. Gather Examples is provided with information describing how to pose example queries to the site whose wrapper is to be learned. Second, these example pages are labeled by a subroutine named LabelExamples—i.e., the information to be extracted from each example is identified for use in the third step. The LabelExamples subroutine uses a general framework for labeling pages using site-specific heuristics called recognizers, as well as allowing users to correct and modify the recognized instances. Finally, the labeled example pages are passed to a BuildWrapper subroutine, which constructs a wrapper.
摘要翻译：公开了一种用于自动构建用于从诸如显示相关信息的因特网资源的站点执行信息提取的包装器的程序，散布有诸如HTML格式化命令或广告之类的无关文本片段。程序有三个基本步骤。首先，使用名为GatherExamples的子例程收集一组示例页面。收集示例提供了描述如何向包装器学习的站点提供示例查询的信息。其次，这些示例页面被称为LabelExamples的子程序标记，即从每个示例中提取的信息被识别用于第三步。 LabelExamples子例程使用通用框架来标记页面，使用称为识别器的站点特定启发式方法，并允许用户更正和修改已识别的实例。最后，标记的示例页面被传递给构建包装器的BuildWrapper子例程。

4. 发明授权

US5995959A Method and system for network information access 失效
标题翻译：网络信息访问方法和系统
公开(公告)号：US5995959A
公开(公告)日：1999-11-30
申请号：US12441
申请日：1998-01-23
申请人： Marc T. Friedman , Chung T. Kwok , Daniel S. Weld
发明人： Marc T. Friedman , Chung T. Kwok , Daniel S. Weld
IPC分类号： G06F9/44 , G06F17/30
CPC分类号： G06F17/30463 , G06F17/30545 , Y10S707/99933 , Y10S707/99934 , Y10S707/99935
摘要： This invention provides methods to locate and plan the retrieval of data from networked information sources in response to a user query. The methods utilize descriptions of the information sources, the information domain of the sources, and of the query. The methods of this invention integrate both legacy systems and full relational databases with an efficient, domain-independent, query-planning algorithm, reason about the capabilities of different information sources, handle partial goal satisfaction i.e., gather as much data as possible when all that the user requested cannot be gathered, are both sound and complete, and are efficient.
摘要翻译：本发明提供了响应于用户查询来定位和规划从联网信息源检索数据的方法。这些方法利用了信息源的描述，信息源和查询的信息域。本发明的方法将遗留系统和完整的关系数据库与有效的，独立于领域的查询计划算法相结合，关于不同信息源的能力的原因，处理部分目标满足度，即尽可能地收集尽可能多的数据用户请求无法收集，既完整又完整，效率高。

5. 发明申请

US20110313933A1 Decision-Theoretic Control of Crowd-Sourced Workflows 审中-公开
标题翻译：人群工作流的决策理论控制
公开(公告)号：US20110313933A1
公开(公告)日：2011-12-22
申请号：US13049769
申请日：2011-03-16
申请人： Peng Dai , Mausam , Daniel S. Weld
发明人： Peng Dai , Mausam , Daniel S. Weld
IPC分类号： G06Q10/00
CPC分类号： G06Q10/10 , G06Q10/103
摘要： Systems and methods for the decision-theoretic control and optimization of crowd-sources workflows utilize a computing device to map a workflow to complete a directive. The directive includes a utility function, and the workflow comprises an ordered task set. Decision points precede and follow each task in the task set, and each decision point may require (a) posting a call for workers to complete instances of tasks in the task set; (b) adjusting parameters of tasks in the task set; or (c) submitting an artifact generated by a worker as output. The computing device accesses a plurality of workers having capability parameters that describe the workers' respective abilities to complete tasks. The computing device implements the workflow by optimizing and/or selecting user-preferred choices at decision points according to the utility function and submits an artifact as output. The computing device may also implement a training phase to ascertain worker capability parameters.
摘要翻译：用于决策理论控制和优化人群来源工作流程的系统和方法利用计算设备映射工作流以完成指令。该指令包括效用函数，工作流包括有序任务集。决策点在任务集中的每个任务之前和之后，每个决策点可能需要（a）发布一个呼叫，让工作人员完成任务集中的任务实例; （b）调整任务集中任务的参数; 或（c）提交由工作人员生成的工件作为输出。计算设备访问多个具有描述工人相应能力以完成任务的能力参数的工作人员。计算设备通过根据效用函数优化和/或选择决策点上的用户偏好选择来实现工作流程，并将工件提交为输出。计算设备还可以实现训练阶段以确定工作人员能力参数。

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