[PDF] Top 20 Creating a Large Benchmark for Open Information Extraction

... propositions Open IE systems aim to ”break down” a sentence into a set of small isolated ...original information (truth conditions) is ...as Open IE arguments was further found to be useful in ... See full document

... Conventional Open Information Extrac- tion (Open IE) systems are usually built on hand-crafted patterns from other NLP tools such as syntactic parsing, yet they face problems of error ...neural ... See full document

... extract Open IE tuples from English de- pendency parses can be ported to another ...of creating rule sets from scratch, such a transfer approach would simplify the rule creation, making it possible to build ... See full document

... candidate extraction (Section 3) and tree structure (Section ...lexical information to the method of Xu et ...of creating word embeddings actually achieves a lower recall than the method of Plank and ... See full document

... coreference information is in- cluded in over half of ...a benchmark is valuable because it offers a com- mon frame of reference allowing OIE systems to be tested and compared fairly, a task we carried out ... See full document

... a large body of work on open information ...the open IE framework to n- ary relationships similar to semantic role labeling, but without the expensive ... See full document

... supervised open infor- mation extraction (Open IE) framework that leverages an ensemble of unsupervised Open IE systems and a small amount of labeled data to improve system ...unsupervised ... See full document

... As OIE has gained popularity to extract propositions from large corpora of unstructured text, the problem of the extractions being uninformative and incom- plete has surfaced. A recent paper (Bast and Hauss- mann, ... See full document

... a large fraction of relationships in English, but never incorporated the patterns into an ...in Open IE has mainly focused on syntactic patterns for relation extraction, we in- troduce a lexical ... See full document

... on Open IE is that the lexicon of re- lations is much larger than those of traditional RE, making it difficult to include the lexical information as ...an Open IE system is tested on one ... See full document

... We built a prototype and evaluated the impact of the application of our solution into different Ollie and ClausIE Open IE extractors. For that we used the enriched corpus as input for the extractors. We conclude ... See full document

... Information Extraction (IE) is the task of turning the unstructured information expressed in natural lan- guage (NL) text into a structured representation in the form of relational tuples consisting ... See full document

... Future work focuses on scaling the system up for use on a large Web corpus and increasing the sys- tem’s recall. To achieve this, we will work on a first step of identifying grammatical and fact-rich sen- tences ... See full document

... The extraction of structured information from text is a long-standing challenge in Natural Language Pro- cessing which has been re-invigorated with the ever- increasing availability of user-generated ... See full document

... Unlike the single standard RNN decoder (Bah- danau et al., 2014), which recurrently uses the same decoder to generate tokens, our model dy- namically selects different decoders at each decod- ing time step to generate ... See full document

... stuffs information from multiple gold tuples in a single ...combines information from two gold tuples in a single extraction, and system 2 only extracts one of the gold ...same extraction has ... See full document

... extracting information from large, het- erogeneous, unstructured ...to information extraction ...require large amounts of training data for each relation. The re- cent Open ... See full document

... since the different systems extract the same relations expressed in the sentences in different formats, as in the previous example about Kantianism (section ‘Evaluation setup’). It is important to emphasize that for both ... See full document

... Due to the multiplications, the value of P (~p | ~w) varies a lot among different entity pair candidates. The large deviation makes P (~p | ~w) the most im- portant term in Eq. (6), especially in the case when ... See full document

... an extraction paradigm, called Open Information Extraction (OIE), which aims at extracting a large set of verb- based triples (or assertions) from unrestricted ... See full document