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Bibliographic Details
Main Author:	Rodrigo Agerri
Format:	Artículo científico
Language:	en
Published:	Sociedad Española para el Procesamiento del Lenguaje Natural 2014
Subjects:	Computación lingual historias Flujos de noticias Extracción de eventos cross
Online Access:	https://www.redalyc.org/articulo.oa?id=515751574019
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NewsReader project Rodrigo Agerri Eneko Agirre Itziar Aldabe Begoña Altuna Zuhaitz Beloki Egoitz Laparra Maddalen López de Lacalle German Rigau Aitor Soroa Ruben Urizar Computación lingual historias Flujos de noticias Extracción de eventos cross El proyecto europeo NewsReader desarrolla tecnología avanzada para procesar flujos contínuos de noticias diarias en 4 idiomas, extrayendo lo que pasó, cuándo, dónde y quién estuvo involucrado. NewsReader lee grandes cantidades de noticias procedentes de miles de fuentes. Se comparan los resultados a través de las fuentes para complementar la información y determinar en qué están de acuerdo. Además, se fusionak noticias actuales con noticias previas, creando una historia a largo plazo en lugar de eventos separados. El resultado se acumula a lo largo del tiempo, produciendo una inmensa base de conocimiento que puede ser visualizada usando nuevas técnicas que permiten un acceso a la información más exhaustivo. 2014 artículo científico 1135-5948 https://www.redalyc.org/articulo.oa?id=515751574019 en http://www.redalyc.org/revista.oa?id=5157 Procesamiento del Lenguaje Natural application/pdf Sociedad Española para el Procesamiento del Lenguaje Natural Procesamiento del Lenguaje Natural (España) Num.53

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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